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Finding the Fourth Proportional to 17,763.70, 26,643.50 and 4,617.10

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Solution

The fourth proportional to 17,763.70, 26,643.50 and 4,617.10 is: 6,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763.70 : 26,643.50 = 4,617.10 : x
  2. Step 2: Convert to fraction form
    17,763.70/26,643.50 = 4,617.10/x
  3. Step 3: Cross multiply
    17,763.70x = 26,643.50 × 4,617.10
  4. Step 4: Simplify right side
    17,763.70x = 123,015,703.85
  5. Step 5: Solve for x
    x = 123,015,703.85/17,763.70
  6. Step 6: Final answer
    x = 6,925.12

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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.