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Finding the Fourth Proportional to 27,509.90, 37,963.35 and 15,573.13

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Solution

The fourth proportional to 27,509.90, 37,963.35 and 15,573.13 is: 21,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,509.90 : 37,963.35 = 15,573.13 : x
  2. Step 2: Convert to fraction form
    27,509.90/37,963.35 = 15,573.13/x
  3. Step 3: Cross multiply
    27,509.90x = 37,963.35 × 15,573.13
  4. Step 4: Simplify right side
    27,509.90x = 591,208,089.88
  5. Step 5: Solve for x
    x = 591,208,089.88/27,509.90
  6. Step 6: Final answer
    x = 21,490.74

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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.