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Finding the Fourth Proportional to 7,758.36, 10,699.46 and 5,773.88

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Solution

The fourth proportional to 7,758.36, 10,699.46 and 5,773.88 is: 7,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.36 : 10,699.46 = 5,773.88 : x
  2. Step 2: Convert to fraction form
    7,758.36/10,699.46 = 5,773.88/x
  3. Step 3: Cross multiply
    7,758.36x = 10,699.46 × 5,773.88
  4. Step 4: Simplify right side
    7,758.36x = 61,777,398.10
  5. Step 5: Solve for x
    x = 61,777,398.10/7,758.36
  6. Step 6: Final answer
    x = 7,962.69

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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.