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Finding the Fourth Proportional to 5,330.81, 7,996.22 and 1,868.06

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Solution

The fourth proportional to 5,330.81, 7,996.22 and 1,868.06 is: 2,802.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.81 : 7,996.22 = 1,868.06 : x
  2. Step 2: Convert to fraction form
    5,330.81/7,996.22 = 1,868.06/x
  3. Step 3: Cross multiply
    5,330.81x = 7,996.22 × 1,868.06
  4. Step 4: Simplify right side
    5,330.81x = 14,937,436.39
  5. Step 5: Solve for x
    x = 14,937,436.39/5,330.81
  6. Step 6: Final answer
    x = 2,802.09

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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.