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Finding the Fourth Proportional to 52,819.20, 79,228.80 and 23,205.60

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Solution

The fourth proportional to 52,819.20, 79,228.80 and 23,205.60 is: 34,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,819.20 : 79,228.80 = 23,205.60 : x
  2. Step 2: Convert to fraction form
    52,819.20/79,228.80 = 23,205.60/x
  3. Step 3: Cross multiply
    52,819.20x = 79,228.80 × 23,205.60
  4. Step 4: Simplify right side
    52,819.20x = 1,838,551,841.28
  5. Step 5: Solve for x
    x = 1,838,551,841.28/52,819.20
  6. Step 6: Final answer
    x = 34,808.40

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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.