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Finding the Fourth Proportional to 66,038.92, 98,924.58 and 52,734.44

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Solution

The fourth proportional to 66,038.92, 98,924.58 and 52,734.44 is: 78,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,038.92 : 98,924.58 = 52,734.44 : x
  2. Step 2: Convert to fraction form
    66,038.92/98,924.58 = 52,734.44/x
  3. Step 3: Cross multiply
    66,038.92x = 98,924.58 × 52,734.44
  4. Step 4: Simplify right side
    66,038.92x = 5,216,732,575.85
  5. Step 5: Solve for x
    x = 5,216,732,575.85/66,038.92
  6. Step 6: Final answer
    x = 78,994.82

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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.