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Finding the Fourth Proportional to 28,949.60, 43,359.60 and 23,765.60

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Solution

The fourth proportional to 28,949.60, 43,359.60 and 23,765.60 is: 35,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949.60 : 43,359.60 = 23,765.60 : x
  2. Step 2: Convert to fraction form
    28,949.60/43,359.60 = 23,765.60/x
  3. Step 3: Cross multiply
    28,949.60x = 43,359.60 × 23,765.60
  4. Step 4: Simplify right side
    28,949.60x = 1,030,466,909.76
  5. Step 5: Solve for x
    x = 1,030,466,909.76/28,949.60
  6. Step 6: Final answer
    x = 35,595.20

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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.