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Finding the Fourth Proportional to 59,591.40, 89,406.52 and 28,422.60

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Solution

The fourth proportional to 59,591.40, 89,406.52 and 28,422.60 is: 42,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,591.40 : 89,406.52 = 28,422.60 : x
  2. Step 2: Convert to fraction form
    59,591.40/89,406.52 = 28,422.60/x
  3. Step 3: Cross multiply
    59,591.40x = 89,406.52 × 28,422.60
  4. Step 4: Simplify right side
    59,591.40x = 2,541,165,755.35
  5. Step 5: Solve for x
    x = 2,541,165,755.35/59,591.40
  6. Step 6: Final answer
    x = 42,643.16

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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.