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Finding the Fourth Proportional to 12,313.52, 18,473.52 and 9,065.44

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Solution

The fourth proportional to 12,313.52, 18,473.52 and 9,065.44 is: 13,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.52 : 18,473.52 = 9,065.44 : x
  2. Step 2: Convert to fraction form
    12,313.52/18,473.52 = 9,065.44/x
  3. Step 3: Cross multiply
    12,313.52x = 18,473.52 × 9,065.44
  4. Step 4: Simplify right side
    12,313.52x = 167,470,587.15
  5. Step 5: Solve for x
    x = 167,470,587.15/12,313.52
  6. Step 6: Final answer
    x = 13,600.55

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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.