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Finding the Fourth Proportional to 69,082.61, 103,623.95 and 27,558.77

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Solution

The fourth proportional to 69,082.61, 103,623.95 and 27,558.77 is: 41,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,082.61 : 103,623.95 = 27,558.77 : x
  2. Step 2: Convert to fraction form
    69,082.61/103,623.95 = 27,558.77/x
  3. Step 3: Cross multiply
    69,082.61x = 103,623.95 × 27,558.77
  4. Step 4: Simplify right side
    69,082.61x = 2,855,748,155.32
  5. Step 5: Solve for x
    x = 2,855,748,155.32/69,082.61
  6. Step 6: Final answer
    x = 41,338.17

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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.