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Finding the Fourth Proportional to 66,525.76, 99,701.99 and 27,036.71

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Solution

The fourth proportional to 66,525.76, 99,701.99 and 27,036.71 is: 40,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,525.76 : 99,701.99 = 27,036.71 : x
  2. Step 2: Convert to fraction form
    66,525.76/99,701.99 = 27,036.71/x
  3. Step 3: Cross multiply
    66,525.76x = 99,701.99 × 27,036.71
  4. Step 4: Simplify right side
    66,525.76x = 2,695,613,359.13
  5. Step 5: Solve for x
    x = 2,695,613,359.13/66,525.76
  6. Step 6: Final answer
    x = 40,519.84

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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.