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Finding the Fourth Proportional to 66,280.16, 91,436.88 and 44,762.92

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Solution

The fourth proportional to 66,280.16, 91,436.88 and 44,762.92 is: 61,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,280.16 : 91,436.88 = 44,762.92 : x
  2. Step 2: Convert to fraction form
    66,280.16/91,436.88 = 44,762.92/x
  3. Step 3: Cross multiply
    66,280.16x = 91,436.88 × 44,762.92
  4. Step 4: Simplify right side
    66,280.16x = 4,092,981,744.49
  5. Step 5: Solve for x
    x = 4,092,981,744.49/66,280.16
  6. Step 6: Final answer
    x = 61,752.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.