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Finding the Fourth Proportional to 4,857.23, 6,703.13 and 2,869.49

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Solution

The fourth proportional to 4,857.23, 6,703.13 and 2,869.49 is: 3,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.23 : 6,703.13 = 2,869.49 : x
  2. Step 2: Convert to fraction form
    4,857.23/6,703.13 = 2,869.49/x
  3. Step 3: Cross multiply
    4,857.23x = 6,703.13 × 2,869.49
  4. Step 4: Simplify right side
    4,857.23x = 19,234,564.50
  5. Step 5: Solve for x
    x = 19,234,564.50/4,857.23
  6. Step 6: Final answer
    x = 3,959.99

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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.