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Finding the Fourth Proportional to 29,877.76, 44,806.18 and 8,812.22

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Solution

The fourth proportional to 29,877.76, 44,806.18 and 8,812.22 is: 13,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,877.76 : 44,806.18 = 8,812.22 : x
  2. Step 2: Convert to fraction form
    29,877.76/44,806.18 = 8,812.22/x
  3. Step 3: Cross multiply
    29,877.76x = 44,806.18 × 8,812.22
  4. Step 4: Simplify right side
    29,877.76x = 394,841,915.52
  5. Step 5: Solve for x
    x = 394,841,915.52/29,877.76
  6. Step 6: Final answer
    x = 13,215.24

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1.5x scale

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.