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Finding the Fourth Proportional to 65,994.24, 90,949.92 and 46,874.88

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Solution

The fourth proportional to 65,994.24, 90,949.92 and 46,874.88 is: 64,600.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,994.24 : 90,949.92 = 46,874.88 : x
  2. Step 2: Convert to fraction form
    65,994.24/90,949.92 = 46,874.88/x
  3. Step 3: Cross multiply
    65,994.24x = 90,949.92 × 46,874.88
  4. Step 4: Simplify right side
    65,994.24x = 4,263,266,586.01
  5. Step 5: Solve for x
    x = 4,263,266,586.01/65,994.24
  6. Step 6: Final answer
    x = 64,600.59

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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.