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Finding the Fourth Proportional to 63,388.76, 87,485.70 and 36,526.04

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Solution

The fourth proportional to 63,388.76, 87,485.70 and 36,526.04 is: 50,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,388.76 : 87,485.70 = 36,526.04 : x
  2. Step 2: Convert to fraction form
    63,388.76/87,485.70 = 36,526.04/x
  3. Step 3: Cross multiply
    63,388.76x = 87,485.70 × 36,526.04
  4. Step 4: Simplify right side
    63,388.76x = 3,195,506,177.63
  5. Step 5: Solve for x
    x = 3,195,506,177.63/63,388.76
  6. Step 6: Final answer
    x = 50,411.24

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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.