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Finding the Fourth Proportional to 22,008.60, 32,964.30 and 14,135.40

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Solution

The fourth proportional to 22,008.60, 32,964.30 and 14,135.40 is: 21,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.60 : 32,964.30 = 14,135.40 : x
  2. Step 2: Convert to fraction form
    22,008.60/32,964.30 = 14,135.40/x
  3. Step 3: Cross multiply
    22,008.60x = 32,964.30 × 14,135.40
  4. Step 4: Simplify right side
    22,008.60x = 465,963,566.22
  5. Step 5: Solve for x
    x = 465,963,566.22/22,008.60
  6. Step 6: Final answer
    x = 21,171.89

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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.