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Finding the Fourth Proportional to 63,883.98, 88,065.36 and 40,911.36

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Solution

The fourth proportional to 63,883.98, 88,065.36 and 40,911.36 is: 56,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,883.98 : 88,065.36 = 40,911.36 : x
  2. Step 2: Convert to fraction form
    63,883.98/88,065.36 = 40,911.36/x
  3. Step 3: Cross multiply
    63,883.98x = 88,065.36 × 40,911.36
  4. Step 4: Simplify right side
    63,883.98x = 3,602,873,646.49
  5. Step 5: Solve for x
    x = 3,602,873,646.49/63,883.98
  6. Step 6: Final answer
    x = 56,397.14

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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.