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Finding the Fourth Proportional to 39,114.54, 58,671.54 and 9,531.72

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Solution

The fourth proportional to 39,114.54, 58,671.54 and 9,531.72 is: 14,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,114.54 : 58,671.54 = 9,531.72 : x
  2. Step 2: Convert to fraction form
    39,114.54/58,671.54 = 9,531.72/x
  3. Step 3: Cross multiply
    39,114.54x = 58,671.54 × 9,531.72
  4. Step 4: Simplify right side
    39,114.54x = 559,240,691.25
  5. Step 5: Solve for x
    x = 559,240,691.25/39,114.54
  6. Step 6: Final answer
    x = 14,297.51

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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.