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Finding the Fourth Proportional to 11,059.01, 16,605.16 and 9,515.83

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Solution

The fourth proportional to 11,059.01, 16,605.16 and 9,515.83 is: 14,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.01 : 16,605.16 = 9,515.83 : x
  2. Step 2: Convert to fraction form
    11,059.01/16,605.16 = 9,515.83/x
  3. Step 3: Cross multiply
    11,059.01x = 16,605.16 × 9,515.83
  4. Step 4: Simplify right side
    11,059.01x = 158,011,749.08
  5. Step 5: Solve for x
    x = 158,011,749.08/11,059.01
  6. Step 6: Final answer
    x = 14,288.06

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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.