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Finding the Fourth Proportional to 53,339.94, 73,553.87 and 45,811.17

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Solution

The fourth proportional to 53,339.94, 73,553.87 and 45,811.17 is: 63,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,339.94 : 73,553.87 = 45,811.17 : x
  2. Step 2: Convert to fraction form
    53,339.94/73,553.87 = 45,811.17/x
  3. Step 3: Cross multiply
    53,339.94x = 73,553.87 × 45,811.17
  4. Step 4: Simplify right side
    53,339.94x = 3,369,588,957.26
  5. Step 5: Solve for x
    x = 3,369,588,957.26/53,339.94
  6. Step 6: Final answer
    x = 63,171.97

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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.