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Finding the Fourth Proportional to 9,989.93, 14,994.09 and 5,063.01

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Solution

The fourth proportional to 9,989.93, 14,994.09 and 5,063.01 is: 7,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.93 : 14,994.09 = 5,063.01 : x
  2. Step 2: Convert to fraction form
    9,989.93/14,994.09 = 5,063.01/x
  3. Step 3: Cross multiply
    9,989.93x = 14,994.09 × 5,063.01
  4. Step 4: Simplify right side
    9,989.93x = 75,915,227.61
  5. Step 5: Solve for x
    x = 75,915,227.61/9,989.93
  6. Step 6: Final answer
    x = 7,599.18

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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.