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Finding the Fourth Proportional to 61,669.74, 92,449.23 and 51,207

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Solution

The fourth proportional to 61,669.74, 92,449.23 and 51,207 is: 76,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,669.74 : 92,449.23 = 51,207 : x
  2. Step 2: Convert to fraction form
    61,669.74/92,449.23 = 51,207/x
  3. Step 3: Cross multiply
    61,669.74x = 92,449.23 × 51,207
  4. Step 4: Simplify right side
    61,669.74x = 4,734,047,720.61
  5. Step 5: Solve for x
    x = 4,734,047,720.61/61,669.74
  6. Step 6: Final answer
    x = 76,764.52

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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.