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Finding the Fourth Proportional to 63,988.98, 88,304.94 and 35,696.52

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Solution

The fourth proportional to 63,988.98, 88,304.94 and 35,696.52 is: 49,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,988.98 : 88,304.94 = 35,696.52 : x
  2. Step 2: Convert to fraction form
    63,988.98/88,304.94 = 35,696.52/x
  3. Step 3: Cross multiply
    63,988.98x = 88,304.94 × 35,696.52
  4. Step 4: Simplify right side
    63,988.98x = 3,152,179,056.81
  5. Step 5: Solve for x
    x = 3,152,179,056.81/63,988.98
  6. Step 6: Final answer
    x = 49,261.28

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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.