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Finding the Fourth Proportional to 66,148.98, 91,284.24 and 37,468.14

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Solution

The fourth proportional to 66,148.98, 91,284.24 and 37,468.14 is: 51,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,148.98 : 91,284.24 = 37,468.14 : x
  2. Step 2: Convert to fraction form
    66,148.98/91,284.24 = 37,468.14/x
  3. Step 3: Cross multiply
    66,148.98x = 91,284.24 × 37,468.14
  4. Step 4: Simplify right side
    66,148.98x = 3,420,250,684.11
  5. Step 5: Solve for x
    x = 3,420,250,684.11/66,148.98
  6. Step 6: Final answer
    x = 51,705.27

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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.