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Finding the Fourth Proportional to 65,064.90, 97,712.55 and 50,309.70

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Solution

The fourth proportional to 65,064.90, 97,712.55 and 50,309.70 is: 75,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,064.90 : 97,712.55 = 50,309.70 : x
  2. Step 2: Convert to fraction form
    65,064.90/97,712.55 = 50,309.70/x
  3. Step 3: Cross multiply
    65,064.90x = 97,712.55 × 50,309.70
  4. Step 4: Simplify right side
    65,064.90x = 4,915,889,076.74
  5. Step 5: Solve for x
    x = 4,915,889,076.74/65,064.90
  6. Step 6: Final answer
    x = 75,553.63

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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.