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Finding the Fourth Proportional to 26,482.60, 39,713.10 and 8,943.40

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Solution

The fourth proportional to 26,482.60, 39,713.10 and 8,943.40 is: 13,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,482.60 : 39,713.10 = 8,943.40 : x
  2. Step 2: Convert to fraction form
    26,482.60/39,713.10 = 8,943.40/x
  3. Step 3: Cross multiply
    26,482.60x = 39,713.10 × 8,943.40
  4. Step 4: Simplify right side
    26,482.60x = 355,170,138.54
  5. Step 5: Solve for x
    x = 355,170,138.54/26,482.60
  6. Step 6: Final answer
    x = 13,411.45

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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.