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Finding the Fourth Proportional to 11,668.60, 17,470.02 and 10,487.62

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Solution

The fourth proportional to 11,668.60, 17,470.02 and 10,487.62 is: 15,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.60 : 17,470.02 = 10,487.62 : x
  2. Step 2: Convert to fraction form
    11,668.60/17,470.02 = 10,487.62/x
  3. Step 3: Cross multiply
    11,668.60x = 17,470.02 × 10,487.62
  4. Step 4: Simplify right side
    11,668.60x = 183,218,931.15
  5. Step 5: Solve for x
    x = 183,218,931.15/11,668.60
  6. Step 6: Final answer
    x = 15,701.88

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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.