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Finding the Fourth Proportional to 5,333.25, 8,002.95 and 2,868.15

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Solution

The fourth proportional to 5,333.25, 8,002.95 and 2,868.15 is: 4,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.25 : 8,002.95 = 2,868.15 : x
  2. Step 2: Convert to fraction form
    5,333.25/8,002.95 = 2,868.15/x
  3. Step 3: Cross multiply
    5,333.25x = 8,002.95 × 2,868.15
  4. Step 4: Simplify right side
    5,333.25x = 22,953,661.04
  5. Step 5: Solve for x
    x = 22,953,661.04/5,333.25
  6. Step 6: Final answer
    x = 4,303.88

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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.