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Finding the Fourth Proportional to 29,638.48, 44,444.74 and 8,857.12

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Solution

The fourth proportional to 29,638.48, 44,444.74 and 8,857.12 is: 13,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,638.48 : 44,444.74 = 8,857.12 : x
  2. Step 2: Convert to fraction form
    29,638.48/44,444.74 = 8,857.12/x
  3. Step 3: Cross multiply
    29,638.48x = 44,444.74 × 8,857.12
  4. Step 4: Simplify right side
    29,638.48x = 393,652,395.55
  5. Step 5: Solve for x
    x = 393,652,395.55/29,638.48
  6. Step 6: Final answer
    x = 13,281.80

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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.