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Finding the Fourth Proportional to 8,530.73, 11,747.91 and 7,326.06

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Solution

The fourth proportional to 8,530.73, 11,747.91 and 7,326.06 is: 10,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.73 : 11,747.91 = 7,326.06 : x
  2. Step 2: Convert to fraction form
    8,530.73/11,747.91 = 7,326.06/x
  3. Step 3: Cross multiply
    8,530.73x = 11,747.91 × 7,326.06
  4. Step 4: Simplify right side
    8,530.73x = 86,065,893.53
  5. Step 5: Solve for x
    x = 86,065,893.53/8,530.73
  6. Step 6: Final answer
    x = 10,088.92

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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.