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Finding the Fourth Proportional to 12,295.98, 18,462.41 and 7,036.92

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Solution

The fourth proportional to 12,295.98, 18,462.41 and 7,036.92 is: 10,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.98 : 18,462.41 = 7,036.92 : x
  2. Step 2: Convert to fraction form
    12,295.98/18,462.41 = 7,036.92/x
  3. Step 3: Cross multiply
    12,295.98x = 18,462.41 × 7,036.92
  4. Step 4: Simplify right side
    12,295.98x = 129,918,502.18
  5. Step 5: Solve for x
    x = 129,918,502.18/12,295.98
  6. Step 6: Final answer
    x = 10,565.94

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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.