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Finding the Fourth Proportional to 73,265.48, 101,105.94 and 39,730.76

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Solution

The fourth proportional to 73,265.48, 101,105.94 and 39,730.76 is: 54,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,265.48 : 101,105.94 = 39,730.76 : x
  2. Step 2: Convert to fraction form
    73,265.48/101,105.94 = 39,730.76/x
  3. Step 3: Cross multiply
    73,265.48x = 101,105.94 × 39,730.76
  4. Step 4: Simplify right side
    73,265.48x = 4,017,015,836.71
  5. Step 5: Solve for x
    x = 4,017,015,836.71/73,265.48
  6. Step 6: Final answer
    x = 54,828.22

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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.