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Finding the Fourth Proportional to 55,007.80, 82,503.60 and 15,568.90

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Solution

The fourth proportional to 55,007.80, 82,503.60 and 15,568.90 is: 23,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.80 : 82,503.60 = 15,568.90 : x
  2. Step 2: Convert to fraction form
    55,007.80/82,503.60 = 15,568.90/x
  3. Step 3: Cross multiply
    55,007.80x = 82,503.60 × 15,568.90
  4. Step 4: Simplify right side
    55,007.80x = 1,284,490,298.04
  5. Step 5: Solve for x
    x = 1,284,490,298.04/55,007.80
  6. Step 6: Final answer
    x = 23,351.06

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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.