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Finding the Fourth Proportional to 9,994.50, 15,008.76 and 9,576.54

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Solution

The fourth proportional to 9,994.50, 15,008.76 and 9,576.54 is: 14,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.50 : 15,008.76 = 9,576.54 : x
  2. Step 2: Convert to fraction form
    9,994.50/15,008.76 = 9,576.54/x
  3. Step 3: Cross multiply
    9,994.50x = 15,008.76 × 9,576.54
  4. Step 4: Simplify right side
    9,994.50x = 143,731,990.49
  5. Step 5: Solve for x
    x = 143,731,990.49/9,994.50
  6. Step 6: Final answer
    x = 14,381.11

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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.