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Finding the Fourth Proportional to 60,356.92, 90,128.92 and 49,285.24

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Solution

The fourth proportional to 60,356.92, 90,128.92 and 49,285.24 is: 73,595.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,356.92 : 90,128.92 = 49,285.24 : x
  2. Step 2: Convert to fraction form
    60,356.92/90,128.92 = 49,285.24/x
  3. Step 3: Cross multiply
    60,356.92x = 90,128.92 × 49,285.24
  4. Step 4: Simplify right side
    60,356.92x = 4,442,025,453.14
  5. Step 5: Solve for x
    x = 4,442,025,453.14/60,356.92
  6. Step 6: Final answer
    x = 73,595.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.