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Finding the Fourth Proportional to 40,608.06, 60,904.64 and 18,416.10

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Solution

The fourth proportional to 40,608.06, 60,904.64 and 18,416.10 is: 27,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,608.06 : 60,904.64 = 18,416.10 : x
  2. Step 2: Convert to fraction form
    40,608.06/60,904.64 = 18,416.10/x
  3. Step 3: Cross multiply
    40,608.06x = 60,904.64 × 18,416.10
  4. Step 4: Simplify right side
    40,608.06x = 1,121,625,940.70
  5. Step 5: Solve for x
    x = 1,121,625,940.70/40,608.06
  6. Step 6: Final answer
    x = 27,620.77

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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.