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Finding the Fourth Proportional to 53,211.60, 79,903.80 and 29,883.60

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Solution

The fourth proportional to 53,211.60, 79,903.80 and 29,883.60 is: 44,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.60 : 79,903.80 = 29,883.60 : x
  2. Step 2: Convert to fraction form
    53,211.60/79,903.80 = 29,883.60/x
  3. Step 3: Cross multiply
    53,211.60x = 79,903.80 × 29,883.60
  4. Step 4: Simplify right side
    53,211.60x = 2,387,813,197.68
  5. Step 5: Solve for x
    x = 2,387,813,197.68/53,211.60
  6. Step 6: Final answer
    x = 44,873.92

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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.