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Finding the Fourth Proportional to 66,267.47, 91,449.51 and 36,053.01

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Solution

The fourth proportional to 66,267.47, 91,449.51 and 36,053.01 is: 49,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,267.47 : 91,449.51 = 36,053.01 : x
  2. Step 2: Convert to fraction form
    66,267.47/91,449.51 = 36,053.01/x
  3. Step 3: Cross multiply
    66,267.47x = 91,449.51 × 36,053.01
  4. Step 4: Simplify right side
    66,267.47x = 3,297,029,461.01
  5. Step 5: Solve for x
    x = 3,297,029,461.01/66,267.47
  6. Step 6: Final answer
    x = 49,753.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.