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Finding the Fourth Proportional to 53,764.99, 74,203.76 and 38,707.49

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Solution

The fourth proportional to 53,764.99, 74,203.76 and 38,707.49 is: 53,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,764.99 : 74,203.76 = 38,707.49 : x
  2. Step 2: Convert to fraction form
    53,764.99/74,203.76 = 38,707.49/x
  3. Step 3: Cross multiply
    53,764.99x = 74,203.76 × 38,707.49
  4. Step 4: Simplify right side
    53,764.99x = 2,872,241,580.44
  5. Step 5: Solve for x
    x = 2,872,241,580.44/53,764.99
  6. Step 6: Final answer
    x = 53,422.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.