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Finding the Fourth Proportional to 12,594.16, 18,964.44 and 9,330.40

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Solution

The fourth proportional to 12,594.16, 18,964.44 and 9,330.40 is: 14,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594.16 : 18,964.44 = 9,330.40 : x
  2. Step 2: Convert to fraction form
    12,594.16/18,964.44 = 9,330.40/x
  3. Step 3: Cross multiply
    12,594.16x = 18,964.44 × 9,330.40
  4. Step 4: Simplify right side
    12,594.16x = 176,945,810.98
  5. Step 5: Solve for x
    x = 176,945,810.98/12,594.16
  6. Step 6: Final answer
    x = 14,049.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.