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Finding the Fourth Proportional to 69,745.25, 96,248.05 and 37,913.47

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Solution

The fourth proportional to 69,745.25, 96,248.05 and 37,913.47 is: 52,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,745.25 : 96,248.05 = 37,913.47 : x
  2. Step 2: Convert to fraction form
    69,745.25/96,248.05 = 37,913.47/x
  3. Step 3: Cross multiply
    69,745.25x = 96,248.05 × 37,913.47
  4. Step 4: Simplify right side
    69,745.25x = 3,649,097,220.83
  5. Step 5: Solve for x
    x = 3,649,097,220.83/69,745.25
  6. Step 6: Final answer
    x = 52,320.37

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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.