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Finding the Fourth Proportional to 11,045.70, 16,568.55 and 9,952.20

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Solution

The fourth proportional to 11,045.70, 16,568.55 and 9,952.20 is: 14,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.70 : 16,568.55 = 9,952.20 : x
  2. Step 2: Convert to fraction form
    11,045.70/16,568.55 = 9,952.20/x
  3. Step 3: Cross multiply
    11,045.70x = 16,568.55 × 9,952.20
  4. Step 4: Simplify right side
    11,045.70x = 164,893,523.31
  5. Step 5: Solve for x
    x = 164,893,523.31/11,045.70
  6. Step 6: Final answer
    x = 14,928.30

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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.