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Finding the Fourth Proportional to 45,287.73, 67,931.55 and 29,701.71

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Solution

The fourth proportional to 45,287.73, 67,931.55 and 29,701.71 is: 44,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,287.73 : 67,931.55 = 29,701.71 : x
  2. Step 2: Convert to fraction form
    45,287.73/67,931.55 = 29,701.71/x
  3. Step 3: Cross multiply
    45,287.73x = 67,931.55 × 29,701.71
  4. Step 4: Simplify right side
    45,287.73x = 2,017,683,197.95
  5. Step 5: Solve for x
    x = 2,017,683,197.95/45,287.73
  6. Step 6: Final answer
    x = 44,552.54

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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.