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Finding the Fourth Proportional to 76,487.96, 105,560.88 and 44,223.95

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Solution

The fourth proportional to 76,487.96, 105,560.88 and 44,223.95 is: 61,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,487.96 : 105,560.88 = 44,223.95 : x
  2. Step 2: Convert to fraction form
    76,487.96/105,560.88 = 44,223.95/x
  3. Step 3: Cross multiply
    76,487.96x = 105,560.88 × 44,223.95
  4. Step 4: Simplify right side
    76,487.96x = 4,668,319,079.08
  5. Step 5: Solve for x
    x = 4,668,319,079.08/76,487.96
  6. Step 6: Final answer
    x = 61,033.38

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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.