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Finding the Fourth Proportional to 48,494.80, 72,693.60 and 22,218.40

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Solution

The fourth proportional to 48,494.80, 72,693.60 and 22,218.40 is: 33,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,494.80 : 72,693.60 = 22,218.40 : x
  2. Step 2: Convert to fraction form
    48,494.80/72,693.60 = 22,218.40/x
  3. Step 3: Cross multiply
    48,494.80x = 72,693.60 × 22,218.40
  4. Step 4: Simplify right side
    48,494.80x = 1,615,135,482.24
  5. Step 5: Solve for x
    x = 1,615,135,482.24/48,494.80
  6. Step 6: Final answer
    x = 33,305.33

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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.