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Finding the Fourth Proportional to 27,322.54, 40,984.62 and 10,681.90

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Solution

The fourth proportional to 27,322.54, 40,984.62 and 10,681.90 is: 16,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.54 : 40,984.62 = 10,681.90 : x
  2. Step 2: Convert to fraction form
    27,322.54/40,984.62 = 10,681.90/x
  3. Step 3: Cross multiply
    27,322.54x = 40,984.62 × 10,681.90
  4. Step 4: Simplify right side
    27,322.54x = 437,793,612.38
  5. Step 5: Solve for x
    x = 437,793,612.38/27,322.54
  6. Step 6: Final answer
    x = 16,023.17

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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.