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Finding the Fourth Proportional to 53,648.48, 74,001.22 and 34,553

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Solution

The fourth proportional to 53,648.48, 74,001.22 and 34,553 is: 47,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,648.48 : 74,001.22 = 34,553 : x
  2. Step 2: Convert to fraction form
    53,648.48/74,001.22 = 34,553/x
  3. Step 3: Cross multiply
    53,648.48x = 74,001.22 × 34,553
  4. Step 4: Simplify right side
    53,648.48x = 2,556,964,154.66
  5. Step 5: Solve for x
    x = 2,556,964,154.66/53,648.48
  6. Step 6: Final answer
    x = 47,661.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.