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Finding the Fourth Proportional to 22,807.79, 34,164 and 18,341.30

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Solution

The fourth proportional to 22,807.79, 34,164 and 18,341.30 is: 27,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,807.79 : 34,164 = 18,341.30 : x
  2. Step 2: Convert to fraction form
    22,807.79/34,164 = 18,341.30/x
  3. Step 3: Cross multiply
    22,807.79x = 34,164 × 18,341.30
  4. Step 4: Simplify right side
    22,807.79x = 626,612,173.20
  5. Step 5: Solve for x
    x = 626,612,173.20/22,807.79
  6. Step 6: Final answer
    x = 27,473.60

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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.