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Finding the Fourth Proportional to 32,968.80, 45,497.12 and 17,861.49

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Solution

The fourth proportional to 32,968.80, 45,497.12 and 17,861.49 is: 24,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,968.80 : 45,497.12 = 17,861.49 : x
  2. Step 2: Convert to fraction form
    32,968.80/45,497.12 = 17,861.49/x
  3. Step 3: Cross multiply
    32,968.80x = 45,497.12 × 17,861.49
  4. Step 4: Simplify right side
    32,968.80x = 812,646,264.60
  5. Step 5: Solve for x
    x = 812,646,264.60/32,968.80
  6. Step 6: Final answer
    x = 24,648.95

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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.