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Finding the Fourth Proportional to 71,641.52, 98,865.74 and 44,799.74

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Solution

The fourth proportional to 71,641.52, 98,865.74 and 44,799.74 is: 61,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,641.52 : 98,865.74 = 44,799.74 : x
  2. Step 2: Convert to fraction form
    71,641.52/98,865.74 = 44,799.74/x
  3. Step 3: Cross multiply
    71,641.52x = 98,865.74 × 44,799.74
  4. Step 4: Simplify right side
    71,641.52x = 4,429,159,064.58
  5. Step 5: Solve for x
    x = 4,429,159,064.58/71,641.52
  6. Step 6: Final answer
    x = 61,823.92

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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.