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Finding the Fourth Proportional to 65,750.67, 90,740.52 and 37,456.34

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Solution

The fourth proportional to 65,750.67, 90,740.52 and 37,456.34 is: 51,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,750.67 : 90,740.52 = 37,456.34 : x
  2. Step 2: Convert to fraction form
    65,750.67/90,740.52 = 37,456.34/x
  3. Step 3: Cross multiply
    65,750.67x = 90,740.52 × 37,456.34
  4. Step 4: Simplify right side
    65,750.67x = 3,398,807,315.19
  5. Step 5: Solve for x
    x = 3,398,807,315.19/65,750.67
  6. Step 6: Final answer
    x = 51,692.36

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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.