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Finding the Fourth Proportional to 65,636.55, 90,578.99 and 37,344.06

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Solution

The fourth proportional to 65,636.55, 90,578.99 and 37,344.06 is: 51,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,636.55 : 90,578.99 = 37,344.06 : x
  2. Step 2: Convert to fraction form
    65,636.55/90,578.99 = 37,344.06/x
  3. Step 3: Cross multiply
    65,636.55x = 90,578.99 × 37,344.06
  4. Step 4: Simplify right side
    65,636.55x = 3,382,587,237.30
  5. Step 5: Solve for x
    x = 3,382,587,237.30/65,636.55
  6. Step 6: Final answer
    x = 51,535.12

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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.