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Finding the Fourth Proportional to 35,998.40, 53,997.60 and 18,502.40

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Solution

The fourth proportional to 35,998.40, 53,997.60 and 18,502.40 is: 27,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,998.40 : 53,997.60 = 18,502.40 : x
  2. Step 2: Convert to fraction form
    35,998.40/53,997.60 = 18,502.40/x
  3. Step 3: Cross multiply
    35,998.40x = 53,997.60 × 18,502.40
  4. Step 4: Simplify right side
    35,998.40x = 999,085,194.24
  5. Step 5: Solve for x
    x = 999,085,194.24/35,998.40
  6. Step 6: Final answer
    x = 27,753.60

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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.