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Finding the Fourth Proportional to 34,593.51, 47,743.56 and 19,489.08

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Solution

The fourth proportional to 34,593.51, 47,743.56 and 19,489.08 is: 26,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,593.51 : 47,743.56 = 19,489.08 : x
  2. Step 2: Convert to fraction form
    34,593.51/47,743.56 = 19,489.08/x
  3. Step 3: Cross multiply
    34,593.51x = 47,743.56 × 19,489.08
  4. Step 4: Simplify right side
    34,593.51x = 930,478,060.32
  5. Step 5: Solve for x
    x = 930,478,060.32/34,593.51
  6. Step 6: Final answer
    x = 26,897.47

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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.