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Finding the Fourth Proportional to 53,174.70, 79,810.85 and 26,897.90

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Solution

The fourth proportional to 53,174.70, 79,810.85 and 26,897.90 is: 40,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,174.70 : 79,810.85 = 26,897.90 : x
  2. Step 2: Convert to fraction form
    53,174.70/79,810.85 = 26,897.90/x
  3. Step 3: Cross multiply
    53,174.70x = 79,810.85 × 26,897.90
  4. Step 4: Simplify right side
    53,174.70x = 2,146,743,930.41
  5. Step 5: Solve for x
    x = 2,146,743,930.41/53,174.70
  6. Step 6: Final answer
    x = 40,371.53

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1.5x scale

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.