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Finding the Fourth Proportional to 61,698.32, 92,424.14 and 28,372.69

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Solution

The fourth proportional to 61,698.32, 92,424.14 and 28,372.69 is: 42,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,698.32 : 92,424.14 = 28,372.69 : x
  2. Step 2: Convert to fraction form
    61,698.32/92,424.14 = 28,372.69/x
  3. Step 3: Cross multiply
    61,698.32x = 92,424.14 × 28,372.69
  4. Step 4: Simplify right side
    61,698.32x = 2,622,321,472.74
  5. Step 5: Solve for x
    x = 2,622,321,472.74/61,698.32
  6. Step 6: Final answer
    x = 42,502.32

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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.