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Finding the Fourth Proportional to 14,990.42, 22,499.42 and 7,600.12

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Solution

The fourth proportional to 14,990.42, 22,499.42 and 7,600.12 is: 11,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990.42 : 22,499.42 = 7,600.12 : x
  2. Step 2: Convert to fraction form
    14,990.42/22,499.42 = 7,600.12/x
  3. Step 3: Cross multiply
    14,990.42x = 22,499.42 × 7,600.12
  4. Step 4: Simplify right side
    14,990.42x = 170,998,291.93
  5. Step 5: Solve for x
    x = 170,998,291.93/14,990.42
  6. Step 6: Final answer
    x = 11,407.17

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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.