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Finding the Fourth Proportional to 4,362.40, 6,529.20 and 4,016.80

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Solution

The fourth proportional to 4,362.40, 6,529.20 and 4,016.80 is: 6,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,362.40 : 6,529.20 = 4,016.80 : x
  2. Step 2: Convert to fraction form
    4,362.40/6,529.20 = 4,016.80/x
  3. Step 3: Cross multiply
    4,362.40x = 6,529.20 × 4,016.80
  4. Step 4: Simplify right side
    4,362.40x = 26,226,490.56
  5. Step 5: Solve for x
    x = 26,226,490.56/4,362.40
  6. Step 6: Final answer
    x = 6,011.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.