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Finding the Fourth Proportional to 40,370.88, 60,566.10 and 12,668.88

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Solution

The fourth proportional to 40,370.88, 60,566.10 and 12,668.88 is: 19,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,370.88 : 60,566.10 = 12,668.88 : x
  2. Step 2: Convert to fraction form
    40,370.88/60,566.10 = 12,668.88/x
  3. Step 3: Cross multiply
    40,370.88x = 60,566.10 × 12,668.88
  4. Step 4: Simplify right side
    40,370.88x = 767,304,350.14
  5. Step 5: Solve for x
    x = 767,304,350.14/40,370.88
  6. Step 6: Final answer
    x = 19,006.38

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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.