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Finding the Fourth Proportional to 66,053.70, 91,158.56 and 37,373.32

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Solution

The fourth proportional to 66,053.70, 91,158.56 and 37,373.32 is: 51,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,053.70 : 91,158.56 = 37,373.32 : x
  2. Step 2: Convert to fraction form
    66,053.70/91,158.56 = 37,373.32/x
  3. Step 3: Cross multiply
    66,053.70x = 91,158.56 × 37,373.32
  4. Step 4: Simplify right side
    66,053.70x = 3,406,898,567.46
  5. Step 5: Solve for x
    x = 3,406,898,567.46/66,053.70
  6. Step 6: Final answer
    x = 51,577.71

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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.