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Finding the Fourth Proportional to 5,011.08, 6,914.94 and 2,886.48

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Solution

The fourth proportional to 5,011.08, 6,914.94 and 2,886.48 is: 3,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.08 : 6,914.94 = 2,886.48 : x
  2. Step 2: Convert to fraction form
    5,011.08/6,914.94 = 2,886.48/x
  3. Step 3: Cross multiply
    5,011.08x = 6,914.94 × 2,886.48
  4. Step 4: Simplify right side
    5,011.08x = 19,959,836.01
  5. Step 5: Solve for x
    x = 19,959,836.01/5,011.08
  6. Step 6: Final answer
    x = 3,983.14

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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.