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Finding the Fourth Proportional to 26,038.88, 39,041.04 and 8,502.56

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Solution

The fourth proportional to 26,038.88, 39,041.04 and 8,502.56 is: 12,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,038.88 : 39,041.04 = 8,502.56 : x
  2. Step 2: Convert to fraction form
    26,038.88/39,041.04 = 8,502.56/x
  3. Step 3: Cross multiply
    26,038.88x = 39,041.04 × 8,502.56
  4. Step 4: Simplify right side
    26,038.88x = 331,948,785.06
  5. Step 5: Solve for x
    x = 331,948,785.06/26,038.88
  6. Step 6: Final answer
    x = 12,748.20

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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.