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Finding the Fourth Proportional to 7,657.00, 11,418.10 and 7,051.12

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Solution

The fourth proportional to 7,657.00, 11,418.10 and 7,051.12 is: 10,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.00 : 11,418.10 = 7,051.12 : x
  2. Step 2: Convert to fraction form
    7,657.00/11,418.10 = 7,051.12/x
  3. Step 3: Cross multiply
    7,657.00x = 11,418.10 × 7,051.12
  4. Step 4: Simplify right side
    7,657.00x = 80,510,347.10
  5. Step 5: Solve for x
    x = 80,510,347.10/7,657.00
  6. Step 6: Final answer
    x = 10,514.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.