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Finding the Fourth Proportional to 32,464.67, 48,718.88 and 12,740.90

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Solution

The fourth proportional to 32,464.67, 48,718.88 and 12,740.90 is: 19,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,464.67 : 48,718.88 = 12,740.90 : x
  2. Step 2: Convert to fraction form
    32,464.67/48,718.88 = 12,740.90/x
  3. Step 3: Cross multiply
    32,464.67x = 48,718.88 × 12,740.90
  4. Step 4: Simplify right side
    32,464.67x = 620,722,484.06
  5. Step 5: Solve for x
    x = 620,722,484.06/32,464.67
  6. Step 6: Final answer
    x = 19,119.94

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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.