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Finding the Fourth Proportional to 69,603.66, 104,534.28 and 36,346.68

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Solution

The fourth proportional to 69,603.66, 104,534.28 and 36,346.68 is: 54,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,603.66 : 104,534.28 = 36,346.68 : x
  2. Step 2: Convert to fraction form
    69,603.66/104,534.28 = 36,346.68/x
  3. Step 3: Cross multiply
    69,603.66x = 104,534.28 × 36,346.68
  4. Step 4: Simplify right side
    69,603.66x = 3,799,474,024.19
  5. Step 5: Solve for x
    x = 3,799,474,024.19/69,603.66
  6. Step 6: Final answer
    x = 54,587.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.