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Finding the Fourth Proportional to 63,859.90, 88,123.19 and 35,173.97

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Solution

The fourth proportional to 63,859.90, 88,123.19 and 35,173.97 is: 48,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,859.90 : 88,123.19 = 35,173.97 : x
  2. Step 2: Convert to fraction form
    63,859.90/88,123.19 = 35,173.97/x
  3. Step 3: Cross multiply
    63,859.90x = 88,123.19 × 35,173.97
  4. Step 4: Simplify right side
    63,859.90x = 3,099,642,441.36
  5. Step 5: Solve for x
    x = 3,099,642,441.36/63,859.90
  6. Step 6: Final answer
    x = 48,538.17

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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.