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Finding the Fourth Proportional to 26,470.71, 39,713.36 and 8,952.84

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Solution

The fourth proportional to 26,470.71, 39,713.36 and 8,952.84 is: 13,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,470.71 : 39,713.36 = 8,952.84 : x
  2. Step 2: Convert to fraction form
    26,470.71/39,713.36 = 8,952.84/x
  3. Step 3: Cross multiply
    26,470.71x = 39,713.36 × 8,952.84
  4. Step 4: Simplify right side
    26,470.71x = 355,547,313.18
  5. Step 5: Solve for x
    x = 355,547,313.18/26,470.71
  6. Step 6: Final answer
    x = 13,431.73

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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.