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Finding the Fourth Proportional to 12,295.90, 18,441.93 and 4,502.89

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Solution

The fourth proportional to 12,295.90, 18,441.93 and 4,502.89 is: 6,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.90 : 18,441.93 = 4,502.89 : x
  2. Step 2: Convert to fraction form
    12,295.90/18,441.93 = 4,502.89/x
  3. Step 3: Cross multiply
    12,295.90x = 18,441.93 × 4,502.89
  4. Step 4: Simplify right side
    12,295.90x = 83,041,982.18
  5. Step 5: Solve for x
    x = 83,041,982.18/12,295.90
  6. Step 6: Final answer
    x = 6,753.63

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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.