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Finding the Fourth Proportional to 53,204.51, 79,830.29 and 27,897.99

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Solution

The fourth proportional to 53,204.51, 79,830.29 and 27,897.99 is: 41,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,204.51 : 79,830.29 = 27,897.99 : x
  2. Step 2: Convert to fraction form
    53,204.51/79,830.29 = 27,897.99/x
  3. Step 3: Cross multiply
    53,204.51x = 79,830.29 × 27,897.99
  4. Step 4: Simplify right side
    53,204.51x = 2,227,104,402.50
  5. Step 5: Solve for x
    x = 2,227,104,402.50/53,204.51
  6. Step 6: Final answer
    x = 41,859.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.