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Finding the Fourth Proportional to 32,612.66, 48,891.36 and 12,905.12

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Solution

The fourth proportional to 32,612.66, 48,891.36 and 12,905.12 is: 19,346.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,612.66 : 48,891.36 = 12,905.12 : x
  2. Step 2: Convert to fraction form
    32,612.66/48,891.36 = 12,905.12/x
  3. Step 3: Cross multiply
    32,612.66x = 48,891.36 × 12,905.12
  4. Step 4: Simplify right side
    32,612.66x = 630,948,867.76
  5. Step 5: Solve for x
    x = 630,948,867.76/32,612.66
  6. Step 6: Final answer
    x = 19,346.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.