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Finding the Fourth Proportional to 60,876.36, 83,941.01 and 39,337.75

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Solution

The fourth proportional to 60,876.36, 83,941.01 and 39,337.75 is: 54,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,876.36 : 83,941.01 = 39,337.75 : x
  2. Step 2: Convert to fraction form
    60,876.36/83,941.01 = 39,337.75/x
  3. Step 3: Cross multiply
    60,876.36x = 83,941.01 × 39,337.75
  4. Step 4: Simplify right side
    60,876.36x = 3,302,050,521.88
  5. Step 5: Solve for x
    x = 3,302,050,521.88/60,876.36
  6. Step 6: Final answer
    x = 54,241.92

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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.