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Finding the Fourth Proportional to 53,188.77, 73,398.77 and 29,315.01

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Solution

The fourth proportional to 53,188.77, 73,398.77 and 29,315.01 is: 40,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,188.77 : 73,398.77 = 29,315.01 : x
  2. Step 2: Convert to fraction form
    53,188.77/73,398.77 = 29,315.01/x
  3. Step 3: Cross multiply
    53,188.77x = 73,398.77 × 29,315.01
  4. Step 4: Simplify right side
    53,188.77x = 2,151,685,529.96
  5. Step 5: Solve for x
    x = 2,151,685,529.96/53,188.77
  6. Step 6: Final answer
    x = 40,453.76

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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.