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Finding the Fourth Proportional to 8,862.72, 13,302.24 and 4,483.26

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Solution

The fourth proportional to 8,862.72, 13,302.24 and 4,483.26 is: 6,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.72 : 13,302.24 = 4,483.26 : x
  2. Step 2: Convert to fraction form
    8,862.72/13,302.24 = 4,483.26/x
  3. Step 3: Cross multiply
    8,862.72x = 13,302.24 × 4,483.26
  4. Step 4: Simplify right side
    8,862.72x = 59,637,400.50
  5. Step 5: Solve for x
    x = 59,637,400.50/8,862.72
  6. Step 6: Final answer
    x = 6,729.02

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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.