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Finding the Fourth Proportional to 60,255.47, 83,142.78 and 37,590.86

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Solution

The fourth proportional to 60,255.47, 83,142.78 and 37,590.86 is: 51,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,255.47 : 83,142.78 = 37,590.86 : x
  2. Step 2: Convert to fraction form
    60,255.47/83,142.78 = 37,590.86/x
  3. Step 3: Cross multiply
    60,255.47x = 83,142.78 × 37,590.86
  4. Step 4: Simplify right side
    60,255.47x = 3,125,408,602.99
  5. Step 5: Solve for x
    x = 3,125,408,602.99/60,255.47
  6. Step 6: Final answer
    x = 51,869.29

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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.