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Finding the Fourth Proportional to 54,888.28, 75,745.88 and 29,737.78

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Solution

The fourth proportional to 54,888.28, 75,745.88 and 29,737.78 is: 41,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,888.28 : 75,745.88 = 29,737.78 : x
  2. Step 2: Convert to fraction form
    54,888.28/75,745.88 = 29,737.78/x
  3. Step 3: Cross multiply
    54,888.28x = 75,745.88 × 29,737.78
  4. Step 4: Simplify right side
    54,888.28x = 2,252,514,166.66
  5. Step 5: Solve for x
    x = 2,252,514,166.66/54,888.28
  6. Step 6: Final answer
    x = 41,038.16

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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.