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Finding the Fourth Proportional to 27,144.51, 37,458.41 and 15,814.63

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Solution

The fourth proportional to 27,144.51, 37,458.41 and 15,814.63 is: 21,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.51 : 37,458.41 = 15,814.63 : x
  2. Step 2: Convert to fraction form
    27,144.51/37,458.41 = 15,814.63/x
  3. Step 3: Cross multiply
    27,144.51x = 37,458.41 × 15,814.63
  4. Step 4: Simplify right side
    27,144.51x = 592,390,894.54
  5. Step 5: Solve for x
    x = 592,390,894.54/27,144.51
  6. Step 6: Final answer
    x = 21,823.60

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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.