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Finding the Fourth Proportional to 59,640.71, 89,460.86 and 30,083.40

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Solution

The fourth proportional to 59,640.71, 89,460.86 and 30,083.40 is: 45,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,640.71 : 89,460.86 = 30,083.40 : x
  2. Step 2: Convert to fraction form
    59,640.71/89,460.86 = 30,083.40/x
  3. Step 3: Cross multiply
    59,640.71x = 89,460.86 × 30,083.40
  4. Step 4: Simplify right side
    59,640.71x = 2,691,286,685.31
  5. Step 5: Solve for x
    x = 2,691,286,685.31/59,640.71
  6. Step 6: Final answer
    x = 45,125.00

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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.