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Finding the Fourth Proportional to 17,899.32, 24,710.04 and 11,188.68

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Solution

The fourth proportional to 17,899.32, 24,710.04 and 11,188.68 is: 15,445.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,899.32 : 24,710.04 = 11,188.68 : x
  2. Step 2: Convert to fraction form
    17,899.32/24,710.04 = 11,188.68/x
  3. Step 3: Cross multiply
    17,899.32x = 24,710.04 × 11,188.68
  4. Step 4: Simplify right side
    17,899.32x = 276,472,730.35
  5. Step 5: Solve for x
    x = 276,472,730.35/17,899.32
  6. Step 6: Final answer
    x = 15,445.99

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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.