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Finding the Fourth Proportional to 5,821.27, 8,728.59 and 5,325.35

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Solution

The fourth proportional to 5,821.27, 8,728.59 and 5,325.35 is: 7,984.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.27 : 8,728.59 = 5,325.35 : x
  2. Step 2: Convert to fraction form
    5,821.27/8,728.59 = 5,325.35/x
  3. Step 3: Cross multiply
    5,821.27x = 8,728.59 × 5,325.35
  4. Step 4: Simplify right side
    5,821.27x = 46,482,753.11
  5. Step 5: Solve for x
    x = 46,482,753.11/5,821.27
  6. Step 6: Final answer
    x = 7,984.99

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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.