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Finding the Fourth Proportional to 3,345.60, 5,017.68 and 1,700.40

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Solution

The fourth proportional to 3,345.60, 5,017.68 and 1,700.40 is: 2,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.60 : 5,017.68 = 1,700.40 : x
  2. Step 2: Convert to fraction form
    3,345.60/5,017.68 = 1,700.40/x
  3. Step 3: Cross multiply
    3,345.60x = 5,017.68 × 1,700.40
  4. Step 4: Simplify right side
    3,345.60x = 8,532,063.07
  5. Step 5: Solve for x
    x = 8,532,063.07/3,345.60
  6. Step 6: Final answer
    x = 2,550.23

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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.