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Finding the Fourth Proportional to 2,429.56, 3,353.16 and 1,547.94

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Solution

The fourth proportional to 2,429.56, 3,353.16 and 1,547.94 is: 2,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.56 : 3,353.16 = 1,547.94 : x
  2. Step 2: Convert to fraction form
    2,429.56/3,353.16 = 1,547.94/x
  3. Step 3: Cross multiply
    2,429.56x = 3,353.16 × 1,547.94
  4. Step 4: Simplify right side
    2,429.56x = 5,190,508.87
  5. Step 5: Solve for x
    x = 5,190,508.87/2,429.56
  6. Step 6: Final answer
    x = 2,136.40

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Why These Related Problems?

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