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Finding the Fourth Proportional to 5,331, 7,994.46 and 2,554.72

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Solution

The fourth proportional to 5,331, 7,994.46 and 2,554.72 is: 3,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331 : 7,994.46 = 2,554.72 : x
  2. Step 2: Convert to fraction form
    5,331/7,994.46 = 2,554.72/x
  3. Step 3: Cross multiply
    5,331x = 7,994.46 × 2,554.72
  4. Step 4: Simplify right side
    5,331x = 20,423,606.85
  5. Step 5: Solve for x
    x = 20,423,606.85/5,331
  6. Step 6: Final answer
    x = 3,831.10

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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.