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Finding the Fourth Proportional to 38,702.58, 53,420.60 and 22,796.20

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Solution

The fourth proportional to 38,702.58, 53,420.60 and 22,796.20 is: 31,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702.58 : 53,420.60 = 22,796.20 : x
  2. Step 2: Convert to fraction form
    38,702.58/53,420.60 = 22,796.20/x
  3. Step 3: Cross multiply
    38,702.58x = 53,420.60 × 22,796.20
  4. Step 4: Simplify right side
    38,702.58x = 1,217,786,681.72
  5. Step 5: Solve for x
    x = 1,217,786,681.72/38,702.58
  6. Step 6: Final answer
    x = 31,465.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.