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Finding the Fourth Proportional to 53,388.63, 73,669.84 and 29,511.99

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Solution

The fourth proportional to 53,388.63, 73,669.84 and 29,511.99 is: 40,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,388.63 : 73,669.84 = 29,511.99 : x
  2. Step 2: Convert to fraction form
    53,388.63/73,669.84 = 29,511.99/x
  3. Step 3: Cross multiply
    53,388.63x = 73,669.84 × 29,511.99
  4. Step 4: Simplify right side
    53,388.63x = 2,174,143,507.60
  5. Step 5: Solve for x
    x = 2,174,143,507.60/53,388.63
  6. Step 6: Final answer
    x = 40,722.97

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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.