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Finding the Fourth Proportional to 7,266.70, 10,900.05 and 3,368.98

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Solution

The fourth proportional to 7,266.70, 10,900.05 and 3,368.98 is: 5,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.70 : 10,900.05 = 3,368.98 : x
  2. Step 2: Convert to fraction form
    7,266.70/10,900.05 = 3,368.98/x
  3. Step 3: Cross multiply
    7,266.70x = 10,900.05 × 3,368.98
  4. Step 4: Simplify right side
    7,266.70x = 36,722,050.45
  5. Step 5: Solve for x
    x = 36,722,050.45/7,266.70
  6. Step 6: Final answer
    x = 5,053.47

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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.