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Finding the Fourth Proportional to 56,669.60, 84,907.20 and 27,023.60

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Solution

The fourth proportional to 56,669.60, 84,907.20 and 27,023.60 is: 40,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,669.60 : 84,907.20 = 27,023.60 : x
  2. Step 2: Convert to fraction form
    56,669.60/84,907.20 = 27,023.60/x
  3. Step 3: Cross multiply
    56,669.60x = 84,907.20 × 27,023.60
  4. Step 4: Simplify right side
    56,669.60x = 2,294,498,209.92
  5. Step 5: Solve for x
    x = 2,294,498,209.92/56,669.60
  6. Step 6: Final answer
    x = 40,489.05

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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.