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Finding the Fourth Proportional to 73,544.40, 101,491.20 and 40,010.40

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Solution

The fourth proportional to 73,544.40, 101,491.20 and 40,010.40 is: 55,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,544.40 : 101,491.20 = 40,010.40 : x
  2. Step 2: Convert to fraction form
    73,544.40/101,491.20 = 40,010.40/x
  3. Step 3: Cross multiply
    73,544.40x = 101,491.20 × 40,010.40
  4. Step 4: Simplify right side
    73,544.40x = 4,060,703,508.48
  5. Step 5: Solve for x
    x = 4,060,703,508.48/73,544.40
  6. Step 6: Final answer
    x = 55,214.31

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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.