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Finding the Fourth Proportional to 48,117.72, 66,402.72 and 26,897.88

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Solution

The fourth proportional to 48,117.72, 66,402.72 and 26,897.88 is: 37,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,117.72 : 66,402.72 = 26,897.88 : x
  2. Step 2: Convert to fraction form
    48,117.72/66,402.72 = 26,897.88/x
  3. Step 3: Cross multiply
    48,117.72x = 66,402.72 × 26,897.88
  4. Step 4: Simplify right side
    48,117.72x = 1,786,092,394.23
  5. Step 5: Solve for x
    x = 1,786,092,394.23/48,117.72
  6. Step 6: Final answer
    x = 37,119.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.