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Finding the Fourth Proportional to 62,105.85, 85,698.93 and 35,243.01

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Solution

The fourth proportional to 62,105.85, 85,698.93 and 35,243.01 is: 48,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,105.85 : 85,698.93 = 35,243.01 : x
  2. Step 2: Convert to fraction form
    62,105.85/85,698.93 = 35,243.01/x
  3. Step 3: Cross multiply
    62,105.85x = 85,698.93 × 35,243.01
  4. Step 4: Simplify right side
    62,105.85x = 3,020,288,246.98
  5. Step 5: Solve for x
    x = 3,020,288,246.98/62,105.85
  6. Step 6: Final answer
    x = 48,631.30

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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.