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Finding the Fourth Proportional to 35,449.84, 53,174.40 and 15,722.92

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Solution

The fourth proportional to 35,449.84, 53,174.40 and 15,722.92 is: 23,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.84 : 53,174.40 = 15,722.92 : x
  2. Step 2: Convert to fraction form
    35,449.84/53,174.40 = 15,722.92/x
  3. Step 3: Cross multiply
    35,449.84x = 53,174.40 × 15,722.92
  4. Step 4: Simplify right side
    35,449.84x = 836,056,837.25
  5. Step 5: Solve for x
    x = 836,056,837.25/35,449.84
  6. Step 6: Final answer
    x = 23,584.22

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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.