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Finding the Fourth Proportional to 40,602.93, 60,902.94 and 18,400.77

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Solution

The fourth proportional to 40,602.93, 60,902.94 and 18,400.77 is: 27,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,602.93 : 60,902.94 = 18,400.77 : x
  2. Step 2: Convert to fraction form
    40,602.93/60,902.94 = 18,400.77/x
  3. Step 3: Cross multiply
    40,602.93x = 60,902.94 × 18,400.77
  4. Step 4: Simplify right side
    40,602.93x = 1,120,660,991.26
  5. Step 5: Solve for x
    x = 1,120,660,991.26/40,602.93
  6. Step 6: Final answer
    x = 27,600.50

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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.