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Finding the Fourth Proportional to 6,472.90, 8,927.37 and 4,347.79

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Solution

The fourth proportional to 6,472.90, 8,927.37 and 4,347.79 is: 5,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.90 : 8,927.37 = 4,347.79 : x
  2. Step 2: Convert to fraction form
    6,472.90/8,927.37 = 4,347.79/x
  3. Step 3: Cross multiply
    6,472.90x = 8,927.37 × 4,347.79
  4. Step 4: Simplify right side
    6,472.90x = 38,814,330.01
  5. Step 5: Solve for x
    x = 38,814,330.01/6,472.90
  6. Step 6: Final answer
    x = 5,996.44

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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.