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Finding the Fourth Proportional to 9,993.10, 14,973.11 and 8,962.92

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Solution

The fourth proportional to 9,993.10, 14,973.11 and 8,962.92 is: 13,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.10 : 14,973.11 = 8,962.92 : x
  2. Step 2: Convert to fraction form
    9,993.10/14,973.11 = 8,962.92/x
  3. Step 3: Cross multiply
    9,993.10x = 14,973.11 × 8,962.92
  4. Step 4: Simplify right side
    9,993.10x = 134,202,787.08
  5. Step 5: Solve for x
    x = 134,202,787.08/9,993.10
  6. Step 6: Final answer
    x = 13,429.55

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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.