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Finding the Fourth Proportional to 61,529.91, 84,911.28 and 33,235.60

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Solution

The fourth proportional to 61,529.91, 84,911.28 and 33,235.60 is: 45,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,529.91 : 84,911.28 = 33,235.60 : x
  2. Step 2: Convert to fraction form
    61,529.91/84,911.28 = 33,235.60/x
  3. Step 3: Cross multiply
    61,529.91x = 84,911.28 × 33,235.60
  4. Step 4: Simplify right side
    61,529.91x = 2,822,077,000.66
  5. Step 5: Solve for x
    x = 2,822,077,000.66/61,529.91
  6. Step 6: Final answer
    x = 45,865.12

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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.