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Finding the Fourth Proportional to 61,756, 92,758.32 and 36,844.72

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Solution

The fourth proportional to 61,756, 92,758.32 and 36,844.72 is: 55,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,756 : 92,758.32 = 36,844.72 : x
  2. Step 2: Convert to fraction form
    61,756/92,758.32 = 36,844.72/x
  3. Step 3: Cross multiply
    61,756x = 92,758.32 × 36,844.72
  4. Step 4: Simplify right side
    61,756x = 3,417,654,328.07
  5. Step 5: Solve for x
    x = 3,417,654,328.07/61,756
  6. Step 6: Final answer
    x = 55,341.25

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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.