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Finding the Fourth Proportional to 23,855.54, 35,788.93 and 7,215.71

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Solution

The fourth proportional to 23,855.54, 35,788.93 and 7,215.71 is: 10,825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,855.54 : 35,788.93 = 7,215.71 : x
  2. Step 2: Convert to fraction form
    23,855.54/35,788.93 = 7,215.71/x
  3. Step 3: Cross multiply
    23,855.54x = 35,788.93 × 7,215.71
  4. Step 4: Simplify right side
    23,855.54x = 258,242,432.58
  5. Step 5: Solve for x
    x = 258,242,432.58/23,855.54
  6. Step 6: Final answer
    x = 10,825.26

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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.