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Finding the Fourth Proportional to 6,401.16, 8,834.04 and 4,043.16

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Solution

The fourth proportional to 6,401.16, 8,834.04 and 4,043.16 is: 5,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.16 : 8,834.04 = 4,043.16 : x
  2. Step 2: Convert to fraction form
    6,401.16/8,834.04 = 4,043.16/x
  3. Step 3: Cross multiply
    6,401.16x = 8,834.04 × 4,043.16
  4. Step 4: Simplify right side
    6,401.16x = 35,717,437.17
  5. Step 5: Solve for x
    x = 35,717,437.17/6,401.16
  6. Step 6: Final answer
    x = 5,579.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.