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Finding the Fourth Proportional to 66,014.70, 91,087.11 and 37,714.38

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Solution

The fourth proportional to 66,014.70, 91,087.11 and 37,714.38 is: 52,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,014.70 : 91,087.11 = 37,714.38 : x
  2. Step 2: Convert to fraction form
    66,014.70/91,087.11 = 37,714.38/x
  3. Step 3: Cross multiply
    66,014.70x = 91,087.11 × 37,714.38
  4. Step 4: Simplify right side
    66,014.70x = 3,435,293,879.64
  5. Step 5: Solve for x
    x = 3,435,293,879.64/66,014.70
  6. Step 6: Final answer
    x = 52,038.32

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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.