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Finding the Fourth Proportional to 53,322.68, 73,588.80 and 29,449.74

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Solution

The fourth proportional to 53,322.68, 73,588.80 and 29,449.74 is: 40,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.68 : 73,588.80 = 29,449.74 : x
  2. Step 2: Convert to fraction form
    53,322.68/73,588.80 = 29,449.74/x
  3. Step 3: Cross multiply
    53,322.68x = 73,588.80 × 29,449.74
  4. Step 4: Simplify right side
    53,322.68x = 2,167,171,026.91
  5. Step 5: Solve for x
    x = 2,167,171,026.91/53,322.68
  6. Step 6: Final answer
    x = 40,642.58

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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.