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Finding the Fourth Proportional to 66,497.10, 99,750.15 and 27,054.90

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Solution

The fourth proportional to 66,497.10, 99,750.15 and 27,054.90 is: 40,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,497.10 : 99,750.15 = 27,054.90 : x
  2. Step 2: Convert to fraction form
    66,497.10/99,750.15 = 27,054.90/x
  3. Step 3: Cross multiply
    66,497.10x = 99,750.15 × 27,054.90
  4. Step 4: Simplify right side
    66,497.10x = 2,698,730,333.24
  5. Step 5: Solve for x
    x = 2,698,730,333.24/66,497.10
  6. Step 6: Final answer
    x = 40,584.18

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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.