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Finding the Fourth Proportional to 61,784.94, 85,263.66 and 33,490.62

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Solution

The fourth proportional to 61,784.94, 85,263.66 and 33,490.62 is: 46,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784.94 : 85,263.66 = 33,490.62 : x
  2. Step 2: Convert to fraction form
    61,784.94/85,263.66 = 33,490.62/x
  3. Step 3: Cross multiply
    61,784.94x = 85,263.66 × 33,490.62
  4. Step 4: Simplify right side
    61,784.94x = 2,855,532,836.87
  5. Step 5: Solve for x
    x = 2,855,532,836.87/61,784.94
  6. Step 6: Final answer
    x = 46,217.30

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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.