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Finding the Fourth Proportional to 58,203.48, 87,331.14 and 30,495

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Solution

The fourth proportional to 58,203.48, 87,331.14 and 30,495 is: 45,756.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,203.48 : 87,331.14 = 30,495 : x
  2. Step 2: Convert to fraction form
    58,203.48/87,331.14 = 30,495/x
  3. Step 3: Cross multiply
    58,203.48x = 87,331.14 × 30,495
  4. Step 4: Simplify right side
    58,203.48x = 2,663,163,114.30
  5. Step 5: Solve for x
    x = 2,663,163,114.30/58,203.48
  6. Step 6: Final answer
    x = 45,756.08

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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.