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Finding the Fourth Proportional to 17,874.64, 24,663.36 and 11,502.32

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Solution

The fourth proportional to 17,874.64, 24,663.36 and 11,502.32 is: 15,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,874.64 : 24,663.36 = 11,502.32 : x
  2. Step 2: Convert to fraction form
    17,874.64/24,663.36 = 11,502.32/x
  3. Step 3: Cross multiply
    17,874.64x = 24,663.36 × 11,502.32
  4. Step 4: Simplify right side
    17,874.64x = 283,685,859.00
  5. Step 5: Solve for x
    x = 283,685,859.00/17,874.64
  6. Step 6: Final answer
    x = 15,870.86

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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.