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Finding the Fourth Proportional to 61,325.16, 84,636 and 34,468.80

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Solution

The fourth proportional to 61,325.16, 84,636 and 34,468.80 is: 47,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,325.16 : 84,636 = 34,468.80 : x
  2. Step 2: Convert to fraction form
    61,325.16/84,636 = 34,468.80/x
  3. Step 3: Cross multiply
    61,325.16x = 84,636 × 34,468.80
  4. Step 4: Simplify right side
    61,325.16x = 2,917,301,356.80
  5. Step 5: Solve for x
    x = 2,917,301,356.80/61,325.16
  6. Step 6: Final answer
    x = 47,571.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.