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Finding the Fourth Proportional to 69,566.01, 96,002.80 and 39,349.90

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Solution

The fourth proportional to 69,566.01, 96,002.80 and 39,349.90 is: 54,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,566.01 : 96,002.80 = 39,349.90 : x
  2. Step 2: Convert to fraction form
    69,566.01/96,002.80 = 39,349.90/x
  3. Step 3: Cross multiply
    69,566.01x = 96,002.80 × 39,349.90
  4. Step 4: Simplify right side
    69,566.01x = 3,777,700,822.69
  5. Step 5: Solve for x
    x = 3,777,700,822.69/69,566.01
  6. Step 6: Final answer
    x = 54,303.83

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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.