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Finding the Fourth Proportional to 9,471.88, 13,065.84 and 5,928.94

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Solution

The fourth proportional to 9,471.88, 13,065.84 and 5,928.94 is: 8,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471.88 : 13,065.84 = 5,928.94 : x
  2. Step 2: Convert to fraction form
    9,471.88/13,065.84 = 5,928.94/x
  3. Step 3: Cross multiply
    9,471.88x = 13,065.84 × 5,928.94
  4. Step 4: Simplify right side
    9,471.88x = 77,466,581.41
  5. Step 5: Solve for x
    x = 77,466,581.41/9,471.88
  6. Step 6: Final answer
    x = 8,178.59

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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.