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Finding the Fourth Proportional to 32,213.60, 48,320.40 and 19,059.20

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Solution

The fourth proportional to 32,213.60, 48,320.40 and 19,059.20 is: 28,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,213.60 : 48,320.40 = 19,059.20 : x
  2. Step 2: Convert to fraction form
    32,213.60/48,320.40 = 19,059.20/x
  3. Step 3: Cross multiply
    32,213.60x = 48,320.40 × 19,059.20
  4. Step 4: Simplify right side
    32,213.60x = 920,948,167.68
  5. Step 5: Solve for x
    x = 920,948,167.68/32,213.60
  6. Step 6: Final answer
    x = 28,588.80

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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.