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Finding the Fourth Proportional to 53,652.80, 80,479.20 and 44,897.60

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Solution

The fourth proportional to 53,652.80, 80,479.20 and 44,897.60 is: 67,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,652.80 : 80,479.20 = 44,897.60 : x
  2. Step 2: Convert to fraction form
    53,652.80/80,479.20 = 44,897.60/x
  3. Step 3: Cross multiply
    53,652.80x = 80,479.20 × 44,897.60
  4. Step 4: Simplify right side
    53,652.80x = 3,613,322,929.92
  5. Step 5: Solve for x
    x = 3,613,322,929.92/53,652.80
  6. Step 6: Final answer
    x = 67,346.40

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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.