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Finding the Fourth Proportional to 62,617, 86,411.48 and 34,322.88

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Solution

The fourth proportional to 62,617, 86,411.48 and 34,322.88 is: 47,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,617 : 86,411.48 = 34,322.88 : x
  2. Step 2: Convert to fraction form
    62,617/86,411.48 = 34,322.88/x
  3. Step 3: Cross multiply
    62,617x = 86,411.48 × 34,322.88
  4. Step 4: Simplify right side
    62,617x = 2,965,890,858.66
  5. Step 5: Solve for x
    x = 2,965,890,858.66/62,617
  6. Step 6: Final answer
    x = 47,365.59

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1.5x scale

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.