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Finding the Fourth Proportional to 29,627.46, 40,874.04 and 18,869.49

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Solution

The fourth proportional to 29,627.46, 40,874.04 and 18,869.49 is: 26,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,627.46 : 40,874.04 = 18,869.49 : x
  2. Step 2: Convert to fraction form
    29,627.46/40,874.04 = 18,869.49/x
  3. Step 3: Cross multiply
    29,627.46x = 40,874.04 × 18,869.49
  4. Step 4: Simplify right side
    29,627.46x = 771,272,289.04
  5. Step 5: Solve for x
    x = 771,272,289.04/29,627.46
  6. Step 6: Final answer
    x = 26,032.35

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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.