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Finding the Fourth Proportional to 58,060.89, 87,058.40 and 53,107.47

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Solution

The fourth proportional to 58,060.89, 87,058.40 and 53,107.47 is: 79,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,060.89 : 87,058.40 = 53,107.47 : x
  2. Step 2: Convert to fraction form
    58,060.89/87,058.40 = 53,107.47/x
  3. Step 3: Cross multiply
    58,060.89x = 87,058.40 × 53,107.47
  4. Step 4: Simplify right side
    58,060.89x = 4,623,451,100.71
  5. Step 5: Solve for x
    x = 4,623,451,100.71/58,060.89
  6. Step 6: Final answer
    x = 79,631.08

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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.