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Finding the Fourth Proportional to 29,566.49, 40,794.37 and 18,970.47

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Solution

The fourth proportional to 29,566.49, 40,794.37 and 18,970.47 is: 26,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,566.49 : 40,794.37 = 18,970.47 : x
  2. Step 2: Convert to fraction form
    29,566.49/40,794.37 = 18,970.47/x
  3. Step 3: Cross multiply
    29,566.49x = 40,794.37 × 18,970.47
  4. Step 4: Simplify right side
    29,566.49x = 773,888,324.83
  5. Step 5: Solve for x
    x = 773,888,324.83/29,566.49
  6. Step 6: Final answer
    x = 26,174.51

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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.