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Finding the Fourth Proportional to 61,663.92, 85,096.20 and 33,369.60

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Solution

The fourth proportional to 61,663.92, 85,096.20 and 33,369.60 is: 46,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.92 : 85,096.20 = 33,369.60 : x
  2. Step 2: Convert to fraction form
    61,663.92/85,096.20 = 33,369.60/x
  3. Step 3: Cross multiply
    61,663.92x = 85,096.20 × 33,369.60
  4. Step 4: Simplify right side
    61,663.92x = 2,839,626,368.26
  5. Step 5: Solve for x
    x = 2,839,626,368.26/61,663.92
  6. Step 6: Final answer
    x = 46,050.05

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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.