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Finding the Fourth Proportional to 66,703.38, 100,054.98 and 26,740.38

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Solution

The fourth proportional to 66,703.38, 100,054.98 and 26,740.38 is: 40,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,703.38 : 100,054.98 = 26,740.38 : x
  2. Step 2: Convert to fraction form
    66,703.38/100,054.98 = 26,740.38/x
  3. Step 3: Cross multiply
    66,703.38x = 100,054.98 × 26,740.38
  4. Step 4: Simplify right side
    66,703.38x = 2,675,508,186.09
  5. Step 5: Solve for x
    x = 2,675,508,186.09/66,703.38
  6. Step 6: Final answer
    x = 40,110.53

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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.