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Finding the Fourth Proportional to 65,367.64, 90,206.76 and 37,073.53

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Solution

The fourth proportional to 65,367.64, 90,206.76 and 37,073.53 is: 51,161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367.64 : 90,206.76 = 37,073.53 : x
  2. Step 2: Convert to fraction form
    65,367.64/90,206.76 = 37,073.53/x
  3. Step 3: Cross multiply
    65,367.64x = 90,206.76 × 37,073.53
  4. Step 4: Simplify right side
    65,367.64x = 3,344,283,023.06
  5. Step 5: Solve for x
    x = 3,344,283,023.06/65,367.64
  6. Step 6: Final answer
    x = 51,161.14

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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.