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Finding the Fourth Proportional to 62,657.66, 86,459.57 and 35,801.90

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Solution

The fourth proportional to 62,657.66, 86,459.57 and 35,801.90 is: 49,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,657.66 : 86,459.57 = 35,801.90 : x
  2. Step 2: Convert to fraction form
    62,657.66/86,459.57 = 35,801.90/x
  3. Step 3: Cross multiply
    62,657.66x = 86,459.57 × 35,801.90
  4. Step 4: Simplify right side
    62,657.66x = 3,095,416,916.32
  5. Step 5: Solve for x
    x = 3,095,416,916.32/62,657.66
  6. Step 6: Final answer
    x = 49,402.05

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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.