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Finding the Fourth Proportional to 6,872.00, 9,484.03 and 4,959.39

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Solution

The fourth proportional to 6,872.00, 9,484.03 and 4,959.39 is: 6,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.00 : 9,484.03 = 4,959.39 : x
  2. Step 2: Convert to fraction form
    6,872.00/9,484.03 = 4,959.39/x
  3. Step 3: Cross multiply
    6,872.00x = 9,484.03 × 4,959.39
  4. Step 4: Simplify right side
    6,872.00x = 47,035,045.31
  5. Step 5: Solve for x
    x = 47,035,045.31/6,872.00
  6. Step 6: Final answer
    x = 6,844.45

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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.