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Finding the Fourth Proportional to 29,568.80, 44,365.80 and 15,539.60

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Solution

The fourth proportional to 29,568.80, 44,365.80 and 15,539.60 is: 23,316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,568.80 : 44,365.80 = 15,539.60 : x
  2. Step 2: Convert to fraction form
    29,568.80/44,365.80 = 15,539.60/x
  3. Step 3: Cross multiply
    29,568.80x = 44,365.80 × 15,539.60
  4. Step 4: Simplify right side
    29,568.80x = 689,426,785.68
  5. Step 5: Solve for x
    x = 689,426,785.68/29,568.80
  6. Step 6: Final answer
    x = 23,316.02

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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.