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Finding the Fourth Proportional to 61,784.97, 85,260.97 and 33,490.05

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Solution

The fourth proportional to 61,784.97, 85,260.97 and 33,490.05 is: 46,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784.97 : 85,260.97 = 33,490.05 : x
  2. Step 2: Convert to fraction form
    61,784.97/85,260.97 = 33,490.05/x
  3. Step 3: Cross multiply
    61,784.97x = 85,260.97 × 33,490.05
  4. Step 4: Simplify right side
    61,784.97x = 2,855,393,554.59
  5. Step 5: Solve for x
    x = 2,855,393,554.59/61,784.97
  6. Step 6: Final answer
    x = 46,215.02

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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.