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Finding the Fourth Proportional to 9,993.36, 14,962.29 and 6,487.44

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Solution

The fourth proportional to 9,993.36, 14,962.29 and 6,487.44 is: 9,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.36 : 14,962.29 = 6,487.44 : x
  2. Step 2: Convert to fraction form
    9,993.36/14,962.29 = 6,487.44/x
  3. Step 3: Cross multiply
    9,993.36x = 14,962.29 × 6,487.44
  4. Step 4: Simplify right side
    9,993.36x = 97,066,958.64
  5. Step 5: Solve for x
    x = 97,066,958.64/9,993.36
  6. Step 6: Final answer
    x = 9,713.15

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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.