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Finding the Fourth Proportional to 75,648.92, 104,394.63 and 41,656.70

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Solution

The fourth proportional to 75,648.92, 104,394.63 and 41,656.70 is: 57,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,648.92 : 104,394.63 = 41,656.70 : x
  2. Step 2: Convert to fraction form
    75,648.92/104,394.63 = 41,656.70/x
  3. Step 3: Cross multiply
    75,648.92x = 104,394.63 × 41,656.70
  4. Step 4: Simplify right side
    75,648.92x = 4,348,735,783.52
  5. Step 5: Solve for x
    x = 4,348,735,783.52/75,648.92
  6. Step 6: Final answer
    x = 57,485.76

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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.