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Finding the Fourth Proportional to 17,856.38, 24,642.99 and 9,898.94

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Solution

The fourth proportional to 17,856.38, 24,642.99 and 9,898.94 is: 13,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.38 : 24,642.99 = 9,898.94 : x
  2. Step 2: Convert to fraction form
    17,856.38/24,642.99 = 9,898.94/x
  3. Step 3: Cross multiply
    17,856.38x = 24,642.99 × 9,898.94
  4. Step 4: Simplify right side
    17,856.38x = 243,939,479.43
  5. Step 5: Solve for x
    x = 243,939,479.43/17,856.38
  6. Step 6: Final answer
    x = 13,661.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.