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Finding the Fourth Proportional to 5,506.72, 8,258.16 and 2,428

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Solution

The fourth proportional to 5,506.72, 8,258.16 and 2,428 is: 3,641.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.72 : 8,258.16 = 2,428 : x
  2. Step 2: Convert to fraction form
    5,506.72/8,258.16 = 2,428/x
  3. Step 3: Cross multiply
    5,506.72x = 8,258.16 × 2,428
  4. Step 4: Simplify right side
    5,506.72x = 20,050,812.48
  5. Step 5: Solve for x
    x = 20,050,812.48/5,506.72
  6. Step 6: Final answer
    x = 3,641.15

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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.