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Finding the Fourth Proportional to 27,470.56, 37,909.28 and 14,895.28

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Solution

The fourth proportional to 27,470.56, 37,909.28 and 14,895.28 is: 20,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,470.56 : 37,909.28 = 14,895.28 : x
  2. Step 2: Convert to fraction form
    27,470.56/37,909.28 = 14,895.28/x
  3. Step 3: Cross multiply
    27,470.56x = 37,909.28 × 14,895.28
  4. Step 4: Simplify right side
    27,470.56x = 564,669,340.20
  5. Step 5: Solve for x
    x = 564,669,340.20/27,470.56
  6. Step 6: Final answer
    x = 20,555.44

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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.