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Finding the Fourth Proportional to 61,751.25, 85,277.28 and 52,746.28

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Solution

The fourth proportional to 61,751.25, 85,277.28 and 52,746.28 is: 72,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,751.25 : 85,277.28 = 52,746.28 : x
  2. Step 2: Convert to fraction form
    61,751.25/85,277.28 = 52,746.28/x
  3. Step 3: Cross multiply
    61,751.25x = 85,277.28 × 52,746.28
  4. Step 4: Simplify right side
    61,751.25x = 4,498,059,075.33
  5. Step 5: Solve for x
    x = 4,498,059,075.33/61,751.25
  6. Step 6: Final answer
    x = 72,841.59

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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.