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Finding the Fourth Proportional to 61,764.76, 85,235.34 and 33,470.20

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Solution

The fourth proportional to 61,764.76, 85,235.34 and 33,470.20 is: 46,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,764.76 : 85,235.34 = 33,470.20 : x
  2. Step 2: Convert to fraction form
    61,764.76/85,235.34 = 33,470.20/x
  3. Step 3: Cross multiply
    61,764.76x = 85,235.34 × 33,470.20
  4. Step 4: Simplify right side
    61,764.76x = 2,852,843,876.87
  5. Step 5: Solve for x
    x = 2,852,843,876.87/61,764.76
  6. Step 6: Final answer
    x = 46,188.86

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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.