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Finding the Fourth Proportional to 62,656.68, 86,466.65 and 34,362.57

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Solution

The fourth proportional to 62,656.68, 86,466.65 and 34,362.57 is: 47,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,656.68 : 86,466.65 = 34,362.57 : x
  2. Step 2: Convert to fraction form
    62,656.68/86,466.65 = 34,362.57/x
  3. Step 3: Cross multiply
    62,656.68x = 86,466.65 × 34,362.57
  4. Step 4: Simplify right side
    62,656.68x = 2,971,216,141.48
  5. Step 5: Solve for x
    x = 2,971,216,141.48/62,656.68
  6. Step 6: Final answer
    x = 47,420.58

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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.