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Finding the Fourth Proportional to 61,896.96, 85,416.48 and 33,602.40

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Solution

The fourth proportional to 61,896.96, 85,416.48 and 33,602.40 is: 46,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,896.96 : 85,416.48 = 33,602.40 : x
  2. Step 2: Convert to fraction form
    61,896.96/85,416.48 = 33,602.40/x
  3. Step 3: Cross multiply
    61,896.96x = 85,416.48 × 33,602.40
  4. Step 4: Simplify right side
    61,896.96x = 2,870,198,727.55
  5. Step 5: Solve for x
    x = 2,870,198,727.55/61,896.96
  6. Step 6: Final answer
    x = 46,370.59

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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.