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Finding the Fourth Proportional to 38,668.59, 58,001.67 and 10,966.59

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Solution

The fourth proportional to 38,668.59, 58,001.67 and 10,966.59 is: 16,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668.59 : 58,001.67 = 10,966.59 : x
  2. Step 2: Convert to fraction form
    38,668.59/58,001.67 = 10,966.59/x
  3. Step 3: Cross multiply
    38,668.59x = 58,001.67 × 10,966.59
  4. Step 4: Simplify right side
    38,668.59x = 636,080,534.21
  5. Step 5: Solve for x
    x = 636,080,534.21/38,668.59
  6. Step 6: Final answer
    x = 16,449.54

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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.