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Finding the Fourth Proportional to 66,266.47, 91,448.12 and 36,052.01

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Solution

The fourth proportional to 66,266.47, 91,448.12 and 36,052.01 is: 49,751.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,266.47 : 91,448.12 = 36,052.01 : x
  2. Step 2: Convert to fraction form
    66,266.47/91,448.12 = 36,052.01/x
  3. Step 3: Cross multiply
    66,266.47x = 91,448.12 × 36,052.01
  4. Step 4: Simplify right side
    66,266.47x = 3,296,888,373.74
  5. Step 5: Solve for x
    x = 3,296,888,373.74/66,266.47
  6. Step 6: Final answer
    x = 49,751.99

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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.