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Finding the Fourth Proportional to 69,808.71, 96,292.82 and 60,877.65

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Solution

The fourth proportional to 69,808.71, 96,292.82 and 60,877.65 is: 83,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,808.71 : 96,292.82 = 60,877.65 : x
  2. Step 2: Convert to fraction form
    69,808.71/96,292.82 = 60,877.65/x
  3. Step 3: Cross multiply
    69,808.71x = 96,292.82 × 60,877.65
  4. Step 4: Simplify right side
    69,808.71x = 5,862,080,745.67
  5. Step 5: Solve for x
    x = 5,862,080,745.67/69,808.71
  6. Step 6: Final answer
    x = 83,973.49

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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.