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Finding the Fourth Proportional to 57,545.78, 86,302.59 and 36,454.46

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Solution

The fourth proportional to 57,545.78, 86,302.59 and 36,454.46 is: 54,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,545.78 : 86,302.59 = 36,454.46 : x
  2. Step 2: Convert to fraction form
    57,545.78/86,302.59 = 36,454.46/x
  3. Step 3: Cross multiply
    57,545.78x = 86,302.59 × 36,454.46
  4. Step 4: Simplify right side
    57,545.78x = 3,146,114,315.05
  5. Step 5: Solve for x
    x = 3,146,114,315.05/57,545.78
  6. Step 6: Final answer
    x = 54,671.50

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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.