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Finding the Fourth Proportional to 2,547.82, 3,516.55 and 1,552.89

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Solution

The fourth proportional to 2,547.82, 3,516.55 and 1,552.89 is: 2,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.82 : 3,516.55 = 1,552.89 : x
  2. Step 2: Convert to fraction form
    2,547.82/3,516.55 = 1,552.89/x
  3. Step 3: Cross multiply
    2,547.82x = 3,516.55 × 1,552.89
  4. Step 4: Simplify right side
    2,547.82x = 5,460,811.45
  5. Step 5: Solve for x
    x = 5,460,811.45/2,547.82
  6. Step 6: Final answer
    x = 2,143.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.