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Finding the Fourth Proportional to 62,091, 85,690.70 and 35,600.12

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Solution

The fourth proportional to 62,091, 85,690.70 and 35,600.12 is: 49,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,091 : 85,690.70 = 35,600.12 : x
  2. Step 2: Convert to fraction form
    62,091/85,690.70 = 35,600.12/x
  3. Step 3: Cross multiply
    62,091x = 85,690.70 × 35,600.12
  4. Step 4: Simplify right side
    62,091x = 3,050,599,202.88
  5. Step 5: Solve for x
    x = 3,050,599,202.88/62,091
  6. Step 6: Final answer
    x = 49,131.10

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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.