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Finding the Fourth Proportional to 61,663.20, 85,095 and 33,368.88

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Solution

The fourth proportional to 61,663.20, 85,095 and 33,368.88 is: 46,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.20 : 85,095 = 33,368.88 : x
  2. Step 2: Convert to fraction form
    61,663.20/85,095 = 33,368.88/x
  3. Step 3: Cross multiply
    61,663.20x = 85,095 × 33,368.88
  4. Step 4: Simplify right side
    61,663.20x = 2,839,524,843.60
  5. Step 5: Solve for x
    x = 2,839,524,843.60/61,663.20
  6. Step 6: Final answer
    x = 46,048.94

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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.