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Finding the Fourth Proportional to 35,446.68, 53,174.88 and 15,724.80

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Solution

The fourth proportional to 35,446.68, 53,174.88 and 15,724.80 is: 23,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,446.68 : 53,174.88 = 15,724.80 : x
  2. Step 2: Convert to fraction form
    35,446.68/53,174.88 = 15,724.80/x
  3. Step 3: Cross multiply
    35,446.68x = 53,174.88 × 15,724.80
  4. Step 4: Simplify right side
    35,446.68x = 836,164,353.02
  5. Step 5: Solve for x
    x = 836,164,353.02/35,446.68
  6. Step 6: Final answer
    x = 23,589.36

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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.