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Finding the Fourth Proportional to 5,264.28, 7,895.80 and 1,368.99

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Solution

The fourth proportional to 5,264.28, 7,895.80 and 1,368.99 is: 2,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.28 : 7,895.80 = 1,368.99 : x
  2. Step 2: Convert to fraction form
    5,264.28/7,895.80 = 1,368.99/x
  3. Step 3: Cross multiply
    5,264.28x = 7,895.80 × 1,368.99
  4. Step 4: Simplify right side
    5,264.28x = 10,809,231.76
  5. Step 5: Solve for x
    x = 10,809,231.76/5,264.28
  6. Step 6: Final answer
    x = 2,053.32

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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.