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Finding the Fourth Proportional to 69,071.76, 103,629.48 and 24,697.52

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Solution

The fourth proportional to 69,071.76, 103,629.48 and 24,697.52 is: 37,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,071.76 : 103,629.48 = 24,697.52 : x
  2. Step 2: Convert to fraction form
    69,071.76/103,629.48 = 24,697.52/x
  3. Step 3: Cross multiply
    69,071.76x = 103,629.48 × 24,697.52
  4. Step 4: Simplify right side
    69,071.76x = 2,559,391,154.89
  5. Step 5: Solve for x
    x = 2,559,391,154.89/69,071.76
  6. Step 6: Final answer
    x = 37,054.09

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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.