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Finding the Fourth Proportional to 60,638.55, 83,658.20 and 36,756.51

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Solution

The fourth proportional to 60,638.55, 83,658.20 and 36,756.51 is: 50,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,638.55 : 83,658.20 = 36,756.51 : x
  2. Step 2: Convert to fraction form
    60,638.55/83,658.20 = 36,756.51/x
  3. Step 3: Cross multiply
    60,638.55x = 83,658.20 × 36,756.51
  4. Step 4: Simplify right side
    60,638.55x = 3,074,983,281.10
  5. Step 5: Solve for x
    x = 3,074,983,281.10/60,638.55
  6. Step 6: Final answer
    x = 50,710.04

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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.