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Finding the Fourth Proportional to 48,643.40, 67,122.97 and 35,903.54

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Solution

The fourth proportional to 48,643.40, 67,122.97 and 35,903.54 is: 49,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.40 : 67,122.97 = 35,903.54 : x
  2. Step 2: Convert to fraction form
    48,643.40/67,122.97 = 35,903.54/x
  3. Step 3: Cross multiply
    48,643.40x = 67,122.97 × 35,903.54
  4. Step 4: Simplify right side
    48,643.40x = 2,409,952,238.31
  5. Step 5: Solve for x
    x = 2,409,952,238.31/48,643.40
  6. Step 6: Final answer
    x = 49,543.25

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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.