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Finding the Fourth Proportional to 38,987.49, 53,802.77 and 22,851.58

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Solution

The fourth proportional to 38,987.49, 53,802.77 and 22,851.58 is: 31,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987.49 : 53,802.77 = 22,851.58 : x
  2. Step 2: Convert to fraction form
    38,987.49/53,802.77 = 22,851.58/x
  3. Step 3: Cross multiply
    38,987.49x = 53,802.77 × 22,851.58
  4. Step 4: Simplify right side
    38,987.49x = 1,229,478,427.26
  5. Step 5: Solve for x
    x = 1,229,478,427.26/38,987.49
  6. Step 6: Final answer
    x = 31,535.20

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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.