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Finding the Fourth Proportional to 2,482.79, 3,718.94 and 1,699.11

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Solution

The fourth proportional to 2,482.79, 3,718.94 and 1,699.11 is: 2,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.79 : 3,718.94 = 1,699.11 : x
  2. Step 2: Convert to fraction form
    2,482.79/3,718.94 = 1,699.11/x
  3. Step 3: Cross multiply
    2,482.79x = 3,718.94 × 1,699.11
  4. Step 4: Simplify right side
    2,482.79x = 6,318,888.14
  5. Step 5: Solve for x
    x = 6,318,888.14/2,482.79
  6. Step 6: Final answer
    x = 2,545.08

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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.