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Finding the Fourth Proportional to 66,034.41, 91,126.71 and 35,819.16

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Solution

The fourth proportional to 66,034.41, 91,126.71 and 35,819.16 is: 49,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,034.41 : 91,126.71 = 35,819.16 : x
  2. Step 2: Convert to fraction form
    66,034.41/91,126.71 = 35,819.16/x
  3. Step 3: Cross multiply
    66,034.41x = 91,126.71 × 35,819.16
  4. Step 4: Simplify right side
    66,034.41x = 3,264,082,205.76
  5. Step 5: Solve for x
    x = 3,264,082,205.76/66,034.41
  6. Step 6: Final answer
    x = 49,430.02

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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.