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Finding the Fourth Proportional to 23,637, 32,618.92 and 12,881.86

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Solution

The fourth proportional to 23,637, 32,618.92 and 12,881.86 is: 17,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,637 : 32,618.92 = 12,881.86 : x
  2. Step 2: Convert to fraction form
    23,637/32,618.92 = 12,881.86/x
  3. Step 3: Cross multiply
    23,637x = 32,618.92 × 12,881.86
  4. Step 4: Simplify right side
    23,637x = 420,192,360.79
  5. Step 5: Solve for x
    x = 420,192,360.79/23,637
  6. Step 6: Final answer
    x = 17,776.89

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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.