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Finding the Fourth Proportional to 4,894.78, 7,342.23 and 1,432.10

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Solution

The fourth proportional to 4,894.78, 7,342.23 and 1,432.10 is: 2,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.78 : 7,342.23 = 1,432.10 : x
  2. Step 2: Convert to fraction form
    4,894.78/7,342.23 = 1,432.10/x
  3. Step 3: Cross multiply
    4,894.78x = 7,342.23 × 1,432.10
  4. Step 4: Simplify right side
    4,894.78x = 10,514,807.58
  5. Step 5: Solve for x
    x = 10,514,807.58/4,894.78
  6. Step 6: Final answer
    x = 2,148.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.