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Finding the Fourth Proportional to 28,653.50, 42,982.14 and 7,593.24

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Solution

The fourth proportional to 28,653.50, 42,982.14 and 7,593.24 is: 11,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.50 : 42,982.14 = 7,593.24 : x
  2. Step 2: Convert to fraction form
    28,653.50/42,982.14 = 7,593.24/x
  3. Step 3: Cross multiply
    28,653.50x = 42,982.14 × 7,593.24
  4. Step 4: Simplify right side
    28,653.50x = 326,373,894.39
  5. Step 5: Solve for x
    x = 326,373,894.39/28,653.50
  6. Step 6: Final answer
    x = 11,390.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.