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Finding the Fourth Proportional to 66,482.55, 99,489.75 and 41,534.37

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Solution

The fourth proportional to 66,482.55, 99,489.75 and 41,534.37 is: 62,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,482.55 : 99,489.75 = 41,534.37 : x
  2. Step 2: Convert to fraction form
    66,482.55/99,489.75 = 41,534.37/x
  3. Step 3: Cross multiply
    66,482.55x = 99,489.75 × 41,534.37
  4. Step 4: Simplify right side
    66,482.55x = 4,132,244,087.71
  5. Step 5: Solve for x
    x = 4,132,244,087.71/66,482.55
  6. Step 6: Final answer
    x = 62,155.32

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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.