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Finding the Fourth Proportional to 35,237.89, 48,600.03 and 30,979.95

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Solution

The fourth proportional to 35,237.89, 48,600.03 and 30,979.95 is: 42,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,237.89 : 48,600.03 = 30,979.95 : x
  2. Step 2: Convert to fraction form
    35,237.89/48,600.03 = 30,979.95/x
  3. Step 3: Cross multiply
    35,237.89x = 48,600.03 × 30,979.95
  4. Step 4: Simplify right side
    35,237.89x = 1,505,626,499.40
  5. Step 5: Solve for x
    x = 1,505,626,499.40/35,237.89
  6. Step 6: Final answer
    x = 42,727.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.