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Finding the Fourth Proportional to 10,294.88, 14,206.94 and 5,579.16

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Solution

The fourth proportional to 10,294.88, 14,206.94 and 5,579.16 is: 7,699.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,294.88 : 14,206.94 = 5,579.16 : x
  2. Step 2: Convert to fraction form
    10,294.88/14,206.94 = 5,579.16/x
  3. Step 3: Cross multiply
    10,294.88x = 14,206.94 × 5,579.16
  4. Step 4: Simplify right side
    10,294.88x = 79,262,791.37
  5. Step 5: Solve for x
    x = 79,262,791.37/10,294.88
  6. Step 6: Final answer
    x = 7,699.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.