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Finding the Fourth Proportional to 15,066.61, 22,587.49 and 7,165.99

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Solution

The fourth proportional to 15,066.61, 22,587.49 and 7,165.99 is: 10,743.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.61 : 22,587.49 = 7,165.99 : x
  2. Step 2: Convert to fraction form
    15,066.61/22,587.49 = 7,165.99/x
  3. Step 3: Cross multiply
    15,066.61x = 22,587.49 × 7,165.99
  4. Step 4: Simplify right side
    15,066.61x = 161,861,727.47
  5. Step 5: Solve for x
    x = 161,861,727.47/15,066.61
  6. Step 6: Final answer
    x = 10,743.08

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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.