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Finding the Fourth Proportional to 53,376.86, 73,663.88 and 29,503.01

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Solution

The fourth proportional to 53,376.86, 73,663.88 and 29,503.01 is: 40,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,376.86 : 73,663.88 = 29,503.01 : x
  2. Step 2: Convert to fraction form
    53,376.86/73,663.88 = 29,503.01/x
  3. Step 3: Cross multiply
    53,376.86x = 73,663.88 × 29,503.01
  4. Step 4: Simplify right side
    53,376.86x = 2,173,306,224.92
  5. Step 5: Solve for x
    x = 2,173,306,224.92/53,376.86
  6. Step 6: Final answer
    x = 40,716.26

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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.