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Finding the Fourth Proportional to 8,897.73, 12,240.45 and 7,693.73

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Solution

The fourth proportional to 8,897.73, 12,240.45 and 7,693.73 is: 10,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.73 : 12,240.45 = 7,693.73 : x
  2. Step 2: Convert to fraction form
    8,897.73/12,240.45 = 7,693.73/x
  3. Step 3: Cross multiply
    8,897.73x = 12,240.45 × 7,693.73
  4. Step 4: Simplify right side
    8,897.73x = 94,174,747.98
  5. Step 5: Solve for x
    x = 94,174,747.98/8,897.73
  6. Step 6: Final answer
    x = 10,584.13

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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.