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Finding the Fourth Proportional to 64,853.61, 97,309.97 and 33,285.84

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Solution

The fourth proportional to 64,853.61, 97,309.97 and 33,285.84 is: 49,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,853.61 : 97,309.97 = 33,285.84 : x
  2. Step 2: Convert to fraction form
    64,853.61/97,309.97 = 33,285.84/x
  3. Step 3: Cross multiply
    64,853.61x = 97,309.97 × 33,285.84
  4. Step 4: Simplify right side
    64,853.61x = 3,239,043,962.57
  5. Step 5: Solve for x
    x = 3,239,043,962.57/64,853.61
  6. Step 6: Final answer
    x = 49,943.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.