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Finding the Fourth Proportional to 24,020.29, 36,014.94 and 9,990.01

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Solution

The fourth proportional to 24,020.29, 36,014.94 and 9,990.01 is: 14,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,020.29 : 36,014.94 = 9,990.01 : x
  2. Step 2: Convert to fraction form
    24,020.29/36,014.94 = 9,990.01/x
  3. Step 3: Cross multiply
    24,020.29x = 36,014.94 × 9,990.01
  4. Step 4: Simplify right side
    24,020.29x = 359,789,610.75
  5. Step 5: Solve for x
    x = 359,789,610.75/24,020.29
  6. Step 6: Final answer
    x = 14,978.57

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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.