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Finding the Fourth Proportional to 40,748.70, 61,123.05 and 26,897.70

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Solution

The fourth proportional to 40,748.70, 61,123.05 and 26,897.70 is: 40,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,748.70 : 61,123.05 = 26,897.70 : x
  2. Step 2: Convert to fraction form
    40,748.70/61,123.05 = 26,897.70/x
  3. Step 3: Cross multiply
    40,748.70x = 61,123.05 × 26,897.70
  4. Step 4: Simplify right side
    40,748.70x = 1,644,069,461.99
  5. Step 5: Solve for x
    x = 1,644,069,461.99/40,748.70
  6. Step 6: Final answer
    x = 40,346.55

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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.