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Finding the Fourth Proportional to 65,352.36, 90,188.82 and 37,063.56

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Solution

The fourth proportional to 65,352.36, 90,188.82 and 37,063.56 is: 51,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,352.36 : 90,188.82 = 37,063.56 : x
  2. Step 2: Convert to fraction form
    65,352.36/90,188.82 = 37,063.56/x
  3. Step 3: Cross multiply
    65,352.36x = 90,188.82 × 37,063.56
  4. Step 4: Simplify right side
    65,352.36x = 3,342,718,741.40
  5. Step 5: Solve for x
    x = 3,342,718,741.40/65,352.36
  6. Step 6: Final answer
    x = 51,149.17

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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.