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Finding the Fourth Proportional to 59,593.40, 89,409.52 and 28,424.60

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Solution

The fourth proportional to 59,593.40, 89,409.52 and 28,424.60 is: 42,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,593.40 : 89,409.52 = 28,424.60 : x
  2. Step 2: Convert to fraction form
    59,593.40/89,409.52 = 28,424.60/x
  3. Step 3: Cross multiply
    59,593.40x = 89,409.52 × 28,424.60
  4. Step 4: Simplify right side
    59,593.40x = 2,541,429,842.19
  5. Step 5: Solve for x
    x = 2,541,429,842.19/59,593.40
  6. Step 6: Final answer
    x = 42,646.16

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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.