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Finding the Fourth Proportional to 53,597.97, 73,959.62 and 30,929.31

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Solution

The fourth proportional to 53,597.97, 73,959.62 and 30,929.31 is: 42,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,597.97 : 73,959.62 = 30,929.31 : x
  2. Step 2: Convert to fraction form
    53,597.97/73,959.62 = 30,929.31/x
  3. Step 3: Cross multiply
    53,597.97x = 73,959.62 × 30,929.31
  4. Step 4: Simplify right side
    53,597.97x = 2,287,519,859.82
  5. Step 5: Solve for x
    x = 2,287,519,859.82/53,597.97
  6. Step 6: Final answer
    x = 42,679.23

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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.