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Finding the Fourth Proportional to 48,391.66, 72,587.50 and 15,114.58

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Solution

The fourth proportional to 48,391.66, 72,587.50 and 15,114.58 is: 22,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,391.66 : 72,587.50 = 15,114.58 : x
  2. Step 2: Convert to fraction form
    48,391.66/72,587.50 = 15,114.58/x
  3. Step 3: Cross multiply
    48,391.66x = 72,587.50 × 15,114.58
  4. Step 4: Simplify right side
    48,391.66x = 1,097,129,575.75
  5. Step 5: Solve for x
    x = 1,097,129,575.75/48,391.66
  6. Step 6: Final answer
    x = 22,671.87

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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.