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Finding the Fourth Proportional to 62,894.64, 86,830.56 and 41,702.70

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Solution

The fourth proportional to 62,894.64, 86,830.56 and 41,702.70 is: 57,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,894.64 : 86,830.56 = 41,702.70 : x
  2. Step 2: Convert to fraction form
    62,894.64/86,830.56 = 41,702.70/x
  3. Step 3: Cross multiply
    62,894.64x = 86,830.56 × 41,702.70
  4. Step 4: Simplify right side
    62,894.64x = 3,621,068,794.51
  5. Step 5: Solve for x
    x = 3,621,068,794.51/62,894.64
  6. Step 6: Final answer
    x = 57,573.57

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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.