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Finding the Fourth Proportional to 27,582.88, 38,064.45 and 15,007.63

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Solution

The fourth proportional to 27,582.88, 38,064.45 and 15,007.63 is: 20,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,582.88 : 38,064.45 = 15,007.63 : x
  2. Step 2: Convert to fraction form
    27,582.88/38,064.45 = 15,007.63/x
  3. Step 3: Cross multiply
    27,582.88x = 38,064.45 × 15,007.63
  4. Step 4: Simplify right side
    27,582.88x = 571,257,181.75
  5. Step 5: Solve for x
    x = 571,257,181.75/27,582.88
  6. Step 6: Final answer
    x = 20,710.57

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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.