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Finding the Fourth Proportional to 49,702.78, 74,554.78 and 27,559.42

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Solution

The fourth proportional to 49,702.78, 74,554.78 and 27,559.42 is: 41,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,702.78 : 74,554.78 = 27,559.42 : x
  2. Step 2: Convert to fraction form
    49,702.78/74,554.78 = 27,559.42/x
  3. Step 3: Cross multiply
    49,702.78x = 74,554.78 × 27,559.42
  4. Step 4: Simplify right side
    49,702.78x = 2,054,686,495.03
  5. Step 5: Solve for x
    x = 2,054,686,495.03/49,702.78
  6. Step 6: Final answer
    x = 41,339.47

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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.