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Finding the Fourth Proportional to 7,759.11, 11,585.97 and 7,548.93

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Solution

The fourth proportional to 7,759.11, 11,585.97 and 7,548.93 is: 11,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.11 : 11,585.97 = 7,548.93 : x
  2. Step 2: Convert to fraction form
    7,759.11/11,585.97 = 7,548.93/x
  3. Step 3: Cross multiply
    7,759.11x = 11,585.97 × 7,548.93
  4. Step 4: Simplify right side
    7,759.11x = 87,461,676.51
  5. Step 5: Solve for x
    x = 87,461,676.51/7,759.11
  6. Step 6: Final answer
    x = 11,272.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.