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Finding the Fourth Proportional to 35,428.52, 48,890.76 and 19,514.46

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Solution

The fourth proportional to 35,428.52, 48,890.76 and 19,514.46 is: 26,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.52 : 48,890.76 = 19,514.46 : x
  2. Step 2: Convert to fraction form
    35,428.52/48,890.76 = 19,514.46/x
  3. Step 3: Cross multiply
    35,428.52x = 48,890.76 × 19,514.46
  4. Step 4: Simplify right side
    35,428.52x = 954,076,780.39
  5. Step 5: Solve for x
    x = 954,076,780.39/35,428.52
  6. Step 6: Final answer
    x = 26,929.63

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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.