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Finding the Fourth Proportional to 69,814.76, 96,337.04 and 39,590.42

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Solution

The fourth proportional to 69,814.76, 96,337.04 and 39,590.42 is: 54,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,814.76 : 96,337.04 = 39,590.42 : x
  2. Step 2: Convert to fraction form
    69,814.76/96,337.04 = 39,590.42/x
  3. Step 3: Cross multiply
    69,814.76x = 96,337.04 × 39,590.42
  4. Step 4: Simplify right side
    69,814.76x = 3,814,023,875.16
  5. Step 5: Solve for x
    x = 3,814,023,875.16/69,814.76
  6. Step 6: Final answer
    x = 54,630.62

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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.