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Finding the Fourth Proportional to 61,784.57, 85,262.63 and 33,490.25

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Solution

The fourth proportional to 61,784.57, 85,262.63 and 33,490.25 is: 46,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784.57 : 85,262.63 = 33,490.25 : x
  2. Step 2: Convert to fraction form
    61,784.57/85,262.63 = 33,490.25/x
  3. Step 3: Cross multiply
    61,784.57x = 85,262.63 × 33,490.25
  4. Step 4: Simplify right side
    61,784.57x = 2,855,466,626.91
  5. Step 5: Solve for x
    x = 2,855,466,626.91/61,784.57
  6. Step 6: Final answer
    x = 46,216.50

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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.