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Finding the Fourth Proportional to 61,752.21, 85,216.93 and 34,894.15

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Solution

The fourth proportional to 61,752.21, 85,216.93 and 34,894.15 is: 48,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,752.21 : 85,216.93 = 34,894.15 : x
  2. Step 2: Convert to fraction form
    61,752.21/85,216.93 = 34,894.15/x
  3. Step 3: Cross multiply
    61,752.21x = 85,216.93 × 34,894.15
  4. Step 4: Simplify right side
    61,752.21x = 2,973,571,911.87
  5. Step 5: Solve for x
    x = 2,973,571,911.87/61,752.21
  6. Step 6: Final answer
    x = 48,153.29

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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.