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Finding the Fourth Proportional to 62,068.98, 85,654.80 and 33,774.78

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Solution

The fourth proportional to 62,068.98, 85,654.80 and 33,774.78 is: 46,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,068.98 : 85,654.80 = 33,774.78 : x
  2. Step 2: Convert to fraction form
    62,068.98/85,654.80 = 33,774.78/x
  3. Step 3: Cross multiply
    62,068.98x = 85,654.80 × 33,774.78
  4. Step 4: Simplify right side
    62,068.98x = 2,892,972,025.94
  5. Step 5: Solve for x
    x = 2,892,972,025.94/62,068.98
  6. Step 6: Final answer
    x = 46,608.98

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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.