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Finding the Fourth Proportional to 9,993.96, 14,990.87 and 2,598.39

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Solution

The fourth proportional to 9,993.96, 14,990.87 and 2,598.39 is: 3,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.96 : 14,990.87 = 2,598.39 : x
  2. Step 2: Convert to fraction form
    9,993.96/14,990.87 = 2,598.39/x
  3. Step 3: Cross multiply
    9,993.96x = 14,990.87 × 2,598.39
  4. Step 4: Simplify right side
    9,993.96x = 38,952,133.20
  5. Step 5: Solve for x
    x = 38,952,133.20/9,993.96
  6. Step 6: Final answer
    x = 3,897.57

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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.