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Finding the Fourth Proportional to 47,400.44, 65,407.01 and 26,178.44

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Solution

The fourth proportional to 47,400.44, 65,407.01 and 26,178.44 is: 36,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,400.44 : 65,407.01 = 26,178.44 : x
  2. Step 2: Convert to fraction form
    47,400.44/65,407.01 = 26,178.44/x
  3. Step 3: Cross multiply
    47,400.44x = 65,407.01 × 26,178.44
  4. Step 4: Simplify right side
    47,400.44x = 1,712,253,028.94
  5. Step 5: Solve for x
    x = 1,712,253,028.94/47,400.44
  6. Step 6: Final answer
    x = 36,123.15

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1.5x scale

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.