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Finding the Fourth Proportional to 8,862.37, 12,230.03 and 4,829.19

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Solution

The fourth proportional to 8,862.37, 12,230.03 and 4,829.19 is: 6,664.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.37 : 12,230.03 = 4,829.19 : x
  2. Step 2: Convert to fraction form
    8,862.37/12,230.03 = 4,829.19/x
  3. Step 3: Cross multiply
    8,862.37x = 12,230.03 × 4,829.19
  4. Step 4: Simplify right side
    8,862.37x = 59,061,174.02
  5. Step 5: Solve for x
    x = 59,061,174.02/8,862.37
  6. Step 6: Final answer
    x = 6,664.26

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1.5x scale

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.