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Finding the Fourth Proportional to 61,626.92, 85,039.62 and 34,762.28

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Solution

The fourth proportional to 61,626.92, 85,039.62 and 34,762.28 is: 47,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,626.92 : 85,039.62 = 34,762.28 : x
  2. Step 2: Convert to fraction form
    61,626.92/85,039.62 = 34,762.28/x
  3. Step 3: Cross multiply
    61,626.92x = 85,039.62 × 34,762.28
  4. Step 4: Simplify right side
    61,626.92x = 2,956,171,081.53
  5. Step 5: Solve for x
    x = 2,956,171,081.53/61,626.92
  6. Step 6: Final answer
    x = 47,968.83

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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.