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Finding the Fourth Proportional to 9,053, 13,579.58 and 3,581

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Solution

The fourth proportional to 9,053, 13,579.58 and 3,581 is: 5,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053 : 13,579.58 = 3,581 : x
  2. Step 2: Convert to fraction form
    9,053/13,579.58 = 3,581/x
  3. Step 3: Cross multiply
    9,053x = 13,579.58 × 3,581
  4. Step 4: Simplify right side
    9,053x = 48,628,475.98
  5. Step 5: Solve for x
    x = 48,628,475.98/9,053
  6. Step 6: Final answer
    x = 5,371.53

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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.