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Finding the Fourth Proportional to 53,376.48, 80,062.90 and 25,309.98

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Solution

The fourth proportional to 53,376.48, 80,062.90 and 25,309.98 is: 37,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,376.48 : 80,062.90 = 25,309.98 : x
  2. Step 2: Convert to fraction form
    53,376.48/80,062.90 = 25,309.98/x
  3. Step 3: Cross multiply
    53,376.48x = 80,062.90 × 25,309.98
  4. Step 4: Simplify right side
    53,376.48x = 2,026,390,397.74
  5. Step 5: Solve for x
    x = 2,026,390,397.74/53,376.48
  6. Step 6: Final answer
    x = 37,964.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.