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Finding the Fourth Proportional to 66,697.11, 100,045.76 and 27,254.25

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Solution

The fourth proportional to 66,697.11, 100,045.76 and 27,254.25 is: 40,881.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,697.11 : 100,045.76 = 27,254.25 : x
  2. Step 2: Convert to fraction form
    66,697.11/100,045.76 = 27,254.25/x
  3. Step 3: Cross multiply
    66,697.11x = 100,045.76 × 27,254.25
  4. Step 4: Simplify right side
    66,697.11x = 2,726,672,018.21
  5. Step 5: Solve for x
    x = 2,726,672,018.21/66,697.11
  6. Step 6: Final answer
    x = 40,881.41

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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.