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Finding the Fourth Proportional to 40,393.51, 60,601.05 and 35,981.39

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Solution

The fourth proportional to 40,393.51, 60,601.05 and 35,981.39 is: 53,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393.51 : 60,601.05 = 35,981.39 : x
  2. Step 2: Convert to fraction form
    40,393.51/60,601.05 = 35,981.39/x
  3. Step 3: Cross multiply
    40,393.51x = 60,601.05 × 35,981.39
  4. Step 4: Simplify right side
    40,393.51x = 2,180,510,165.96
  5. Step 5: Solve for x
    x = 2,180,510,165.96/40,393.51
  6. Step 6: Final answer
    x = 53,981.70

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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.