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Finding the Fourth Proportional to 63,244.40, 87,274.80 and 36,391.01

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Solution

The fourth proportional to 63,244.40, 87,274.80 and 36,391.01 is: 50,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,244.40 : 87,274.80 = 36,391.01 : x
  2. Step 2: Convert to fraction form
    63,244.40/87,274.80 = 36,391.01/x
  3. Step 3: Cross multiply
    63,244.40x = 87,274.80 × 36,391.01
  4. Step 4: Simplify right side
    63,244.40x = 3,176,017,683.17
  5. Step 5: Solve for x
    x = 3,176,017,683.17/63,244.40
  6. Step 6: Final answer
    x = 50,218.17

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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.