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Finding the Fourth Proportional to 62,039, 85,613.86 and 35,172.92

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Solution

The fourth proportional to 62,039, 85,613.86 and 35,172.92 is: 48,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,039 : 85,613.86 = 35,172.92 : x
  2. Step 2: Convert to fraction form
    62,039/85,613.86 = 35,172.92/x
  3. Step 3: Cross multiply
    62,039x = 85,613.86 × 35,172.92
  4. Step 4: Simplify right side
    62,039x = 3,011,289,448.67
  5. Step 5: Solve for x
    x = 3,011,289,448.67/62,039
  6. Step 6: Final answer
    x = 48,538.65

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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.