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Finding the Fourth Proportional to 58,071.83, 87,048.93 and 39,353.77

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Solution

The fourth proportional to 58,071.83, 87,048.93 and 39,353.77 is: 58,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,071.83 : 87,048.93 = 39,353.77 : x
  2. Step 2: Convert to fraction form
    58,071.83/87,048.93 = 39,353.77/x
  3. Step 3: Cross multiply
    58,071.83x = 87,048.93 × 39,353.77
  4. Step 4: Simplify right side
    58,071.83x = 3,425,703,569.97
  5. Step 5: Solve for x
    x = 3,425,703,569.97/58,071.83
  6. Step 6: Final answer
    x = 58,990.80

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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.