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Finding the Fourth Proportional to 65,745.66, 90,732.54 and 37,460.46

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Solution

The fourth proportional to 65,745.66, 90,732.54 and 37,460.46 is: 51,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,745.66 : 90,732.54 = 37,460.46 : x
  2. Step 2: Convert to fraction form
    65,745.66/90,732.54 = 37,460.46/x
  3. Step 3: Cross multiply
    65,745.66x = 90,732.54 × 37,460.46
  4. Step 4: Simplify right side
    65,745.66x = 3,398,882,685.37
  5. Step 5: Solve for x
    x = 3,398,882,685.37/65,745.66
  6. Step 6: Final answer
    x = 51,697.45

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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.