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Finding the Fourth Proportional to 5,243.28, 7,873.28 and 3,053.60

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Solution

The fourth proportional to 5,243.28, 7,873.28 and 3,053.60 is: 4,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.28 : 7,873.28 = 3,053.60 : x
  2. Step 2: Convert to fraction form
    5,243.28/7,873.28 = 3,053.60/x
  3. Step 3: Cross multiply
    5,243.28x = 7,873.28 × 3,053.60
  4. Step 4: Simplify right side
    5,243.28x = 24,041,847.81
  5. Step 5: Solve for x
    x = 24,041,847.81/5,243.28
  6. Step 6: Final answer
    x = 4,585.27

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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.