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Finding the Fourth Proportional to 23,343.45, 35,015.18 and 7,761.07

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Solution

The fourth proportional to 23,343.45, 35,015.18 and 7,761.07 is: 11,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,343.45 : 35,015.18 = 7,761.07 : x
  2. Step 2: Convert to fraction form
    23,343.45/35,015.18 = 7,761.07/x
  3. Step 3: Cross multiply
    23,343.45x = 35,015.18 × 7,761.07
  4. Step 4: Simplify right side
    23,343.45x = 271,755,263.04
  5. Step 5: Solve for x
    x = 271,755,263.04/23,343.45
  6. Step 6: Final answer
    x = 11,641.61

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.