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Finding the Fourth Proportional to 6,347.93, 8,760.29 and 4,113.70

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Solution

The fourth proportional to 6,347.93, 8,760.29 and 4,113.70 is: 5,676.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.93 : 8,760.29 = 4,113.70 : x
  2. Step 2: Convert to fraction form
    6,347.93/8,760.29 = 4,113.70/x
  3. Step 3: Cross multiply
    6,347.93x = 8,760.29 × 4,113.70
  4. Step 4: Simplify right side
    6,347.93x = 36,037,140.60
  5. Step 5: Solve for x
    x = 36,037,140.60/6,347.93
  6. Step 6: Final answer
    x = 5,676.99

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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.