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Finding the Fourth Proportional to 2,385.03, 3,577.14 and 653.25

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Solution

The fourth proportional to 2,385.03, 3,577.14 and 653.25 is: 979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.03 : 3,577.14 = 653.25 : x
  2. Step 2: Convert to fraction form
    2,385.03/3,577.14 = 653.25/x
  3. Step 3: Cross multiply
    2,385.03x = 3,577.14 × 653.25
  4. Step 4: Simplify right side
    2,385.03x = 2,336,766.71
  5. Step 5: Solve for x
    x = 2,336,766.71/2,385.03
  6. Step 6: Final answer
    x = 979.76

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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.