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Finding the Fourth Proportional to 5,313.60, 7,969.33 and 5,050.15

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Solution

The fourth proportional to 5,313.60, 7,969.33 and 5,050.15 is: 7,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.60 : 7,969.33 = 5,050.15 : x
  2. Step 2: Convert to fraction form
    5,313.60/7,969.33 = 5,050.15/x
  3. Step 3: Cross multiply
    5,313.60x = 7,969.33 × 5,050.15
  4. Step 4: Simplify right side
    5,313.60x = 40,246,311.90
  5. Step 5: Solve for x
    x = 40,246,311.90/5,313.60
  6. Step 6: Final answer
    x = 7,574.21

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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.