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Finding the Fourth Proportional to 59,613.78, 89,420.67 and 18,061.14

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Solution

The fourth proportional to 59,613.78, 89,420.67 and 18,061.14 is: 27,091.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,613.78 : 89,420.67 = 18,061.14 : x
  2. Step 2: Convert to fraction form
    59,613.78/89,420.67 = 18,061.14/x
  3. Step 3: Cross multiply
    59,613.78x = 89,420.67 × 18,061.14
  4. Step 4: Simplify right side
    59,613.78x = 1,615,039,239.76
  5. Step 5: Solve for x
    x = 1,615,039,239.76/59,613.78
  6. Step 6: Final answer
    x = 27,091.71

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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.