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Finding the Fourth Proportional to 66,459.93, 91,714.35 and 36,244.71

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Solution

The fourth proportional to 66,459.93, 91,714.35 and 36,244.71 is: 50,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,459.93 : 91,714.35 = 36,244.71 : x
  2. Step 2: Convert to fraction form
    66,459.93/91,714.35 = 36,244.71/x
  3. Step 3: Cross multiply
    66,459.93x = 91,714.35 × 36,244.71
  4. Step 4: Simplify right side
    66,459.93x = 3,324,160,018.59
  5. Step 5: Solve for x
    x = 3,324,160,018.59/66,459.93
  6. Step 6: Final answer
    x = 50,017.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.