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Finding the Fourth Proportional to 54,006.48, 81,009.48 and 14,567.58

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Solution

The fourth proportional to 54,006.48, 81,009.48 and 14,567.58 is: 21,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,006.48 : 81,009.48 = 14,567.58 : x
  2. Step 2: Convert to fraction form
    54,006.48/81,009.48 = 14,567.58/x
  3. Step 3: Cross multiply
    54,006.48x = 81,009.48 × 14,567.58
  4. Step 4: Simplify right side
    54,006.48x = 1,180,112,080.66
  5. Step 5: Solve for x
    x = 1,180,112,080.66/54,006.48
  6. Step 6: Final answer
    x = 21,851.31

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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.