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Finding the Fourth Proportional to 61,336.68, 84,620.64 and 34,473

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Solution

The fourth proportional to 61,336.68, 84,620.64 and 34,473 is: 47,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,336.68 : 84,620.64 = 34,473 : x
  2. Step 2: Convert to fraction form
    61,336.68/84,620.64 = 34,473/x
  3. Step 3: Cross multiply
    61,336.68x = 84,620.64 × 34,473
  4. Step 4: Simplify right side
    61,336.68x = 2,917,127,322.72
  5. Step 5: Solve for x
    x = 2,917,127,322.72/61,336.68
  6. Step 6: Final answer
    x = 47,559.26

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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.