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Finding the Fourth Proportional to 32,776, 45,234.74 and 18,630.96

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Solution

The fourth proportional to 32,776, 45,234.74 and 18,630.96 is: 25,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,776 : 45,234.74 = 18,630.96 : x
  2. Step 2: Convert to fraction form
    32,776/45,234.74 = 18,630.96/x
  3. Step 3: Cross multiply
    32,776x = 45,234.74 × 18,630.96
  4. Step 4: Simplify right side
    32,776x = 842,766,631.55
  5. Step 5: Solve for x
    x = 842,766,631.55/32,776
  6. Step 6: Final answer
    x = 25,712.92

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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.