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Finding the Fourth Proportional to 61,924.92, 85,455.64 and 33,630.80

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Solution

The fourth proportional to 61,924.92, 85,455.64 and 33,630.80 is: 46,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,924.92 : 85,455.64 = 33,630.80 : x
  2. Step 2: Convert to fraction form
    61,924.92/85,455.64 = 33,630.80/x
  3. Step 3: Cross multiply
    61,924.92x = 85,455.64 × 33,630.80
  4. Step 4: Simplify right side
    61,924.92x = 2,873,941,537.71
  5. Step 5: Solve for x
    x = 2,873,941,537.71/61,924.92
  6. Step 6: Final answer
    x = 46,410.10

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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.