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Finding the Fourth Proportional to 8,693.12, 13,022.18 and 4,006.60

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Solution

The fourth proportional to 8,693.12, 13,022.18 and 4,006.60 is: 6,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.12 : 13,022.18 = 4,006.60 : x
  2. Step 2: Convert to fraction form
    8,693.12/13,022.18 = 4,006.60/x
  3. Step 3: Cross multiply
    8,693.12x = 13,022.18 × 4,006.60
  4. Step 4: Simplify right side
    8,693.12x = 52,174,666.39
  5. Step 5: Solve for x
    x = 52,174,666.39/8,693.12
  6. Step 6: Final answer
    x = 6,001.83

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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.