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Finding the Fourth Proportional to 9,011.10, 13,519.53 and 4,331.44

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Solution

The fourth proportional to 9,011.10, 13,519.53 and 4,331.44 is: 6,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.10 : 13,519.53 = 4,331.44 : x
  2. Step 2: Convert to fraction form
    9,011.10/13,519.53 = 4,331.44/x
  3. Step 3: Cross multiply
    9,011.10x = 13,519.53 × 4,331.44
  4. Step 4: Simplify right side
    9,011.10x = 58,559,077.65
  5. Step 5: Solve for x
    x = 58,559,077.65/9,011.10
  6. Step 6: Final answer
    x = 6,498.55

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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.