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Finding the Fourth Proportional to 32,642.90, 48,964.34 and 21,546.99

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Solution

The fourth proportional to 32,642.90, 48,964.34 and 21,546.99 is: 32,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,642.90 : 48,964.34 = 21,546.99 : x
  2. Step 2: Convert to fraction form
    32,642.90/48,964.34 = 21,546.99/x
  3. Step 3: Cross multiply
    32,642.90x = 48,964.34 × 21,546.99
  4. Step 4: Simplify right side
    32,642.90x = 1,055,034,036.60
  5. Step 5: Solve for x
    x = 1,055,034,036.60/32,642.90
  6. Step 6: Final answer
    x = 32,320.48

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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.