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Finding the Fourth Proportional to 59,712.40, 89,568.60 and 54,463.60

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Solution

The fourth proportional to 59,712.40, 89,568.60 and 54,463.60 is: 81,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,712.40 : 89,568.60 = 54,463.60 : x
  2. Step 2: Convert to fraction form
    59,712.40/89,568.60 = 54,463.60/x
  3. Step 3: Cross multiply
    59,712.40x = 89,568.60 × 54,463.60
  4. Step 4: Simplify right side
    59,712.40x = 4,878,228,402.96
  5. Step 5: Solve for x
    x = 4,878,228,402.96/59,712.40
  6. Step 6: Final answer
    x = 81,695.40

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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.