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Finding the Fourth Proportional to 5,612.97, 8,423.22 and 3,534.41

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Solution

The fourth proportional to 5,612.97, 8,423.22 and 3,534.41 is: 5,303.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.97 : 8,423.22 = 3,534.41 : x
  2. Step 2: Convert to fraction form
    5,612.97/8,423.22 = 3,534.41/x
  3. Step 3: Cross multiply
    5,612.97x = 8,423.22 × 3,534.41
  4. Step 4: Simplify right side
    5,612.97x = 29,771,113.00
  5. Step 5: Solve for x
    x = 29,771,113.00/5,612.97
  6. Step 6: Final answer
    x = 5,303.99

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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.