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Finding the Fourth Proportional to 17,709.91, 24,439.67 and 9,752.11

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Solution

The fourth proportional to 17,709.91, 24,439.67 and 9,752.11 is: 13,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,709.91 : 24,439.67 = 9,752.11 : x
  2. Step 2: Convert to fraction form
    17,709.91/24,439.67 = 9,752.11/x
  3. Step 3: Cross multiply
    17,709.91x = 24,439.67 × 9,752.11
  4. Step 4: Simplify right side
    17,709.91x = 238,338,411.30
  5. Step 5: Solve for x
    x = 238,338,411.30/17,709.91
  6. Step 6: Final answer
    x = 13,457.91

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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.