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Finding the Fourth Proportional to 32,997.60, 49,498.68 and 13,276.20

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Solution

The fourth proportional to 32,997.60, 49,498.68 and 13,276.20 is: 19,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,997.60 : 49,498.68 = 13,276.20 : x
  2. Step 2: Convert to fraction form
    32,997.60/49,498.68 = 13,276.20/x
  3. Step 3: Cross multiply
    32,997.60x = 49,498.68 × 13,276.20
  4. Step 4: Simplify right side
    32,997.60x = 657,154,375.42
  5. Step 5: Solve for x
    x = 657,154,375.42/32,997.60
  6. Step 6: Final answer
    x = 19,915.22

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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.