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Finding the Fourth Proportional to 65,801.51, 98,702.27 and 15,881.57

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Solution

The fourth proportional to 65,801.51, 98,702.27 and 15,881.57 is: 23,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801.51 : 98,702.27 = 15,881.57 : x
  2. Step 2: Convert to fraction form
    65,801.51/98,702.27 = 15,881.57/x
  3. Step 3: Cross multiply
    65,801.51x = 98,702.27 × 15,881.57
  4. Step 4: Simplify right side
    65,801.51x = 1,567,546,911.60
  5. Step 5: Solve for x
    x = 1,567,546,911.60/65,801.51
  6. Step 6: Final answer
    x = 23,822.35

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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.