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Finding the Fourth Proportional to 9,322.89, 12,865.40 and 5,073.89

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Solution

The fourth proportional to 9,322.89, 12,865.40 and 5,073.89 is: 7,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.89 : 12,865.40 = 5,073.89 : x
  2. Step 2: Convert to fraction form
    9,322.89/12,865.40 = 5,073.89/x
  3. Step 3: Cross multiply
    9,322.89x = 12,865.40 × 5,073.89
  4. Step 4: Simplify right side
    9,322.89x = 65,277,553.74
  5. Step 5: Solve for x
    x = 65,277,553.74/9,322.89
  6. Step 6: Final answer
    x = 7,001.86

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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.