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Finding the Fourth Proportional to 6,294.80, 8,686.20 and 4,803.68

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Solution

The fourth proportional to 6,294.80, 8,686.20 and 4,803.68 is: 6,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,294.80 : 8,686.20 = 4,803.68 : x
  2. Step 2: Convert to fraction form
    6,294.80/8,686.20 = 4,803.68/x
  3. Step 3: Cross multiply
    6,294.80x = 8,686.20 × 4,803.68
  4. Step 4: Simplify right side
    6,294.80x = 41,725,725.22
  5. Step 5: Solve for x
    x = 41,725,725.22/6,294.80
  6. Step 6: Final answer
    x = 6,628.60

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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.