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Finding the Fourth Proportional to 6,472.40, 8,936.01 and 4,482.23

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Solution

The fourth proportional to 6,472.40, 8,936.01 and 4,482.23 is: 6,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.40 : 8,936.01 = 4,482.23 : x
  2. Step 2: Convert to fraction form
    6,472.40/8,936.01 = 4,482.23/x
  3. Step 3: Cross multiply
    6,472.40x = 8,936.01 × 4,482.23
  4. Step 4: Simplify right side
    6,472.40x = 40,053,207.42
  5. Step 5: Solve for x
    x = 40,053,207.42/6,472.40
  6. Step 6: Final answer
    x = 6,188.31

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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.