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Finding the Fourth Proportional to 24,788.72, 37,190.36 and 9,990.02

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Solution

The fourth proportional to 24,788.72, 37,190.36 and 9,990.02 is: 14,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,788.72 : 37,190.36 = 9,990.02 : x
  2. Step 2: Convert to fraction form
    24,788.72/37,190.36 = 9,990.02/x
  3. Step 3: Cross multiply
    24,788.72x = 37,190.36 × 9,990.02
  4. Step 4: Simplify right side
    24,788.72x = 371,532,440.21
  5. Step 5: Solve for x
    x = 371,532,440.21/24,788.72
  6. Step 6: Final answer
    x = 14,987.96

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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.