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Finding the Fourth Proportional to 4,894.31, 7,342.14 and 1,607.74

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Solution

The fourth proportional to 4,894.31, 7,342.14 and 1,607.74 is: 2,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.31 : 7,342.14 = 1,607.74 : x
  2. Step 2: Convert to fraction form
    4,894.31/7,342.14 = 1,607.74/x
  3. Step 3: Cross multiply
    4,894.31x = 7,342.14 × 1,607.74
  4. Step 4: Simplify right side
    4,894.31x = 11,804,252.16
  5. Step 5: Solve for x
    x = 11,804,252.16/4,894.31
  6. Step 6: Final answer
    x = 2,411.83

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1.5x scale

Why These Related Problems?

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