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Finding the Fourth Proportional to 12,199.59, 18,303.03 and 6,360.30

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Solution

The fourth proportional to 12,199.59, 18,303.03 and 6,360.30 is: 9,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.59 : 18,303.03 = 6,360.30 : x
  2. Step 2: Convert to fraction form
    12,199.59/18,303.03 = 6,360.30/x
  3. Step 3: Cross multiply
    12,199.59x = 18,303.03 × 6,360.30
  4. Step 4: Simplify right side
    12,199.59x = 116,412,761.71
  5. Step 5: Solve for x
    x = 116,412,761.71/12,199.59
  6. Step 6: Final answer
    x = 9,542.35

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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.