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Finding the Fourth Proportional to 15,993.17, 23,989.76 and 4,899.82

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Solution

The fourth proportional to 15,993.17, 23,989.76 and 4,899.82 is: 7,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.17 : 23,989.76 = 4,899.82 : x
  2. Step 2: Convert to fraction form
    15,993.17/23,989.76 = 4,899.82/x
  3. Step 3: Cross multiply
    15,993.17x = 23,989.76 × 4,899.82
  4. Step 4: Simplify right side
    15,993.17x = 117,545,361.40
  5. Step 5: Solve for x
    x = 117,545,361.40/15,993.17
  6. Step 6: Final answer
    x = 7,349.72

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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.