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Finding the Fourth Proportional to 32,860.98, 45,348.12 and 17,956.98

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Solution

The fourth proportional to 32,860.98, 45,348.12 and 17,956.98 is: 24,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,860.98 : 45,348.12 = 17,956.98 : x
  2. Step 2: Convert to fraction form
    32,860.98/45,348.12 = 17,956.98/x
  3. Step 3: Cross multiply
    32,860.98x = 45,348.12 × 17,956.98
  4. Step 4: Simplify right side
    32,860.98x = 814,315,283.88
  5. Step 5: Solve for x
    x = 814,315,283.88/32,860.98
  6. Step 6: Final answer
    x = 24,780.61

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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.