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Finding the Fourth Proportional to 66,325.10, 91,536.48 and 37,258.28

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Solution

The fourth proportional to 66,325.10, 91,536.48 and 37,258.28 is: 51,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,325.10 : 91,536.48 = 37,258.28 : x
  2. Step 2: Convert to fraction form
    66,325.10/91,536.48 = 37,258.28/x
  3. Step 3: Cross multiply
    66,325.10x = 91,536.48 × 37,258.28
  4. Step 4: Simplify right side
    66,325.10x = 3,410,491,802.05
  5. Step 5: Solve for x
    x = 3,410,491,802.05/66,325.10
  6. Step 6: Final answer
    x = 51,420.83

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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.