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Finding the Fourth Proportional to 66,712.41, 100,068.37 and 26,749.26

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Solution

The fourth proportional to 66,712.41, 100,068.37 and 26,749.26 is: 40,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,712.41 : 100,068.37 = 26,749.26 : x
  2. Step 2: Convert to fraction form
    66,712.41/100,068.37 = 26,749.26/x
  3. Step 3: Cross multiply
    66,712.41x = 100,068.37 × 26,749.26
  4. Step 4: Simplify right side
    66,712.41x = 2,676,754,780.03
  5. Step 5: Solve for x
    x = 2,676,754,780.03/66,712.41
  6. Step 6: Final answer
    x = 40,123.79

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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.