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Finding the Fourth Proportional to 66,491, 99,758.10 and 46,521.08

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Solution

The fourth proportional to 66,491, 99,758.10 and 46,521.08 is: 69,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,491 : 99,758.10 = 46,521.08 : x
  2. Step 2: Convert to fraction form
    66,491/99,758.10 = 46,521.08/x
  3. Step 3: Cross multiply
    66,491x = 99,758.10 × 46,521.08
  4. Step 4: Simplify right side
    66,491x = 4,640,854,550.75
  5. Step 5: Solve for x
    x = 4,640,854,550.75/66,491
  6. Step 6: Final answer
    x = 69,796.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.