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Finding the Fourth Proportional to 63,820.78, 88,082.58 and 38,341.33

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Solution

The fourth proportional to 63,820.78, 88,082.58 and 38,341.33 is: 52,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,820.78 : 88,082.58 = 38,341.33 : x
  2. Step 2: Convert to fraction form
    63,820.78/88,082.58 = 38,341.33/x
  3. Step 3: Cross multiply
    63,820.78x = 88,082.58 × 38,341.33
  4. Step 4: Simplify right side
    63,820.78x = 3,377,203,267.03
  5. Step 5: Solve for x
    x = 3,377,203,267.03/63,820.78
  6. Step 6: Final answer
    x = 52,916.99

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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.