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Finding the Fourth Proportional to 61,907.26, 85,431.56 and 35,049.54

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Solution

The fourth proportional to 61,907.26, 85,431.56 and 35,049.54 is: 48,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,907.26 : 85,431.56 = 35,049.54 : x
  2. Step 2: Convert to fraction form
    61,907.26/85,431.56 = 35,049.54/x
  3. Step 3: Cross multiply
    61,907.26x = 85,431.56 × 35,049.54
  4. Step 4: Simplify right side
    61,907.26x = 2,994,336,500.93
  5. Step 5: Solve for x
    x = 2,994,336,500.93/61,907.26
  6. Step 6: Final answer
    x = 48,368.10

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1.5x scale

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.