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Finding the Fourth Proportional to 23,855.66, 35,783.48 and 7,215.32

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Solution

The fourth proportional to 23,855.66, 35,783.48 and 7,215.32 is: 10,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,855.66 : 35,783.48 = 7,215.32 : x
  2. Step 2: Convert to fraction form
    23,855.66/35,783.48 = 7,215.32/x
  3. Step 3: Cross multiply
    23,855.66x = 35,783.48 × 7,215.32
  4. Step 4: Simplify right side
    23,855.66x = 258,189,258.91
  5. Step 5: Solve for x
    x = 258,189,258.91/23,855.66
  6. Step 6: Final answer
    x = 10,822.98

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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.