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Finding the Fourth Proportional to 70,896.61, 106,332.48 and 26,514.18

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Solution

The fourth proportional to 70,896.61, 106,332.48 and 26,514.18 is: 39,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,896.61 : 106,332.48 = 26,514.18 : x
  2. Step 2: Convert to fraction form
    70,896.61/106,332.48 = 26,514.18/x
  3. Step 3: Cross multiply
    70,896.61x = 106,332.48 × 26,514.18
  4. Step 4: Simplify right side
    70,896.61x = 2,819,318,514.57
  5. Step 5: Solve for x
    x = 2,819,318,514.57/70,896.61
  6. Step 6: Final answer
    x = 39,766.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.