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Finding the Fourth Proportional to 32,690.88, 45,113.76 and 17,786.88

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Solution

The fourth proportional to 32,690.88, 45,113.76 and 17,786.88 is: 24,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,690.88 : 45,113.76 = 17,786.88 : x
  2. Step 2: Convert to fraction form
    32,690.88/45,113.76 = 17,786.88/x
  3. Step 3: Cross multiply
    32,690.88x = 45,113.76 × 17,786.88
  4. Step 4: Simplify right side
    32,690.88x = 802,433,035.47
  5. Step 5: Solve for x
    x = 802,433,035.47/32,690.88
  6. Step 6: Final answer
    x = 24,546.08

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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.