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Finding the Fourth Proportional to 14,993.65, 22,490.48 and 3,899.40

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Solution

The fourth proportional to 14,993.65, 22,490.48 and 3,899.40 is: 5,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,993.65 : 22,490.48 = 3,899.40 : x
  2. Step 2: Convert to fraction form
    14,993.65/22,490.48 = 3,899.40/x
  3. Step 3: Cross multiply
    14,993.65x = 22,490.48 × 3,899.40
  4. Step 4: Simplify right side
    14,993.65x = 87,699,377.71
  5. Step 5: Solve for x
    x = 87,699,377.71/14,993.65
  6. Step 6: Final answer
    x = 5,849.10

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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.