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Finding the Fourth Proportional to 69,751.91, 96,253.54 and 37,920.53

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Solution

The fourth proportional to 69,751.91, 96,253.54 and 37,920.53 is: 52,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,751.91 : 96,253.54 = 37,920.53 : x
  2. Step 2: Convert to fraction form
    69,751.91/96,253.54 = 37,920.53/x
  3. Step 3: Cross multiply
    69,751.91x = 96,253.54 × 37,920.53
  4. Step 4: Simplify right side
    69,751.91x = 3,649,985,251.18
  5. Step 5: Solve for x
    x = 3,649,985,251.18/69,751.91
  6. Step 6: Final answer
    x = 52,328.10

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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.