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Finding the Fourth Proportional to 58,398.76, 87,603 and 35,172.82

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Solution

The fourth proportional to 58,398.76, 87,603 and 35,172.82 is: 52,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,398.76 : 87,603 = 35,172.82 : x
  2. Step 2: Convert to fraction form
    58,398.76/87,603 = 35,172.82/x
  3. Step 3: Cross multiply
    58,398.76x = 87,603 × 35,172.82
  4. Step 4: Simplify right side
    58,398.76x = 3,081,244,550.46
  5. Step 5: Solve for x
    x = 3,081,244,550.46/58,398.76
  6. Step 6: Final answer
    x = 52,762.16

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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.