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Finding the Fourth Proportional to 65,216.70, 97,825.05 and 50,454.45

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Solution

The fourth proportional to 65,216.70, 97,825.05 and 50,454.45 is: 75,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,216.70 : 97,825.05 = 50,454.45 : x
  2. Step 2: Convert to fraction form
    65,216.70/97,825.05 = 50,454.45/x
  3. Step 3: Cross multiply
    65,216.70x = 97,825.05 × 50,454.45
  4. Step 4: Simplify right side
    65,216.70x = 4,935,709,093.97
  5. Step 5: Solve for x
    x = 4,935,709,093.97/65,216.70
  6. Step 6: Final answer
    x = 75,681.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.