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Finding the Fourth Proportional to 69,715.77, 96,207.90 and 37,884.60

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Solution

The fourth proportional to 69,715.77, 96,207.90 and 37,884.60 is: 52,280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,715.77 : 96,207.90 = 37,884.60 : x
  2. Step 2: Convert to fraction form
    69,715.77/96,207.90 = 37,884.60/x
  3. Step 3: Cross multiply
    69,715.77x = 96,207.90 × 37,884.60
  4. Step 4: Simplify right side
    69,715.77x = 3,644,797,808.34
  5. Step 5: Solve for x
    x = 3,644,797,808.34/69,715.77
  6. Step 6: Final answer
    x = 52,280.82

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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.