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Finding the Fourth Proportional to 59,563.20, 89,344.80 and 39,734.40

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Solution

The fourth proportional to 59,563.20, 89,344.80 and 39,734.40 is: 59,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,563.20 : 89,344.80 = 39,734.40 : x
  2. Step 2: Convert to fraction form
    59,563.20/89,344.80 = 39,734.40/x
  3. Step 3: Cross multiply
    59,563.20x = 89,344.80 × 39,734.40
  4. Step 4: Simplify right side
    59,563.20x = 3,550,062,021.12
  5. Step 5: Solve for x
    x = 3,550,062,021.12/59,563.20
  6. Step 6: Final answer
    x = 59,601.60

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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.