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Finding the Fourth Proportional to 69,887.88, 96,442.20 and 38,054.88

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Solution

The fourth proportional to 69,887.88, 96,442.20 and 38,054.88 is: 52,514.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,887.88 : 96,442.20 = 38,054.88 : x
  2. Step 2: Convert to fraction form
    69,887.88/96,442.20 = 38,054.88/x
  3. Step 3: Cross multiply
    69,887.88x = 96,442.20 × 38,054.88
  4. Step 4: Simplify right side
    69,887.88x = 3,670,096,347.94
  5. Step 5: Solve for x
    x = 3,670,096,347.94/69,887.88
  6. Step 6: Final answer
    x = 52,514.06

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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.