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Finding the Fourth Proportional to 65,250.96, 90,046.36 and 35,442.96

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Solution

The fourth proportional to 65,250.96, 90,046.36 and 35,442.96 is: 48,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250.96 : 90,046.36 = 35,442.96 : x
  2. Step 2: Convert to fraction form
    65,250.96/90,046.36 = 35,442.96/x
  3. Step 3: Cross multiply
    65,250.96x = 90,046.36 × 35,442.96
  4. Step 4: Simplify right side
    65,250.96x = 3,191,509,535.63
  5. Step 5: Solve for x
    x = 3,191,509,535.63/65,250.96
  6. Step 6: Final answer
    x = 48,911.30

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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.