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Finding the Fourth Proportional to 12,332.75, 18,500.04 and 4,012.13

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Solution

The fourth proportional to 12,332.75, 18,500.04 and 4,012.13 is: 6,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.75 : 18,500.04 = 4,012.13 : x
  2. Step 2: Convert to fraction form
    12,332.75/18,500.04 = 4,012.13/x
  3. Step 3: Cross multiply
    12,332.75x = 18,500.04 × 4,012.13
  4. Step 4: Simplify right side
    12,332.75x = 74,224,452.92
  5. Step 5: Solve for x
    x = 74,224,452.92/12,332.75
  6. Step 6: Final answer
    x = 6,018.48

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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.