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Finding the Fourth Proportional to 16,391.16, 24,581.16 and 6,527.76

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Solution

The fourth proportional to 16,391.16, 24,581.16 and 6,527.76 is: 9,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.16 : 24,581.16 = 6,527.76 : x
  2. Step 2: Convert to fraction form
    16,391.16/24,581.16 = 6,527.76/x
  3. Step 3: Cross multiply
    16,391.16x = 24,581.16 × 6,527.76
  4. Step 4: Simplify right side
    16,391.16x = 160,459,913.00
  5. Step 5: Solve for x
    x = 160,459,913.00/16,391.16
  6. Step 6: Final answer
    x = 9,789.42

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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.