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Finding the Fourth Proportional to 63,859.28, 88,128.53 and 35,564.96

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Solution

The fourth proportional to 63,859.28, 88,128.53 and 35,564.96 is: 49,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,859.28 : 88,128.53 = 35,564.96 : x
  2. Step 2: Convert to fraction form
    63,859.28/88,128.53 = 35,564.96/x
  3. Step 3: Cross multiply
    63,859.28x = 88,128.53 × 35,564.96
  4. Step 4: Simplify right side
    63,859.28x = 3,134,287,025.84
  5. Step 5: Solve for x
    x = 3,134,287,025.84/63,859.28
  6. Step 6: Final answer
    x = 49,081.16

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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.