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Finding the Fourth Proportional to 4,957.34, 7,434.14 and 1,624.82

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Solution

The fourth proportional to 4,957.34, 7,434.14 and 1,624.82 is: 2,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.34 : 7,434.14 = 1,624.82 : x
  2. Step 2: Convert to fraction form
    4,957.34/7,434.14 = 1,624.82/x
  3. Step 3: Cross multiply
    4,957.34x = 7,434.14 × 1,624.82
  4. Step 4: Simplify right side
    4,957.34x = 12,079,094.06
  5. Step 5: Solve for x
    x = 12,079,094.06/4,957.34
  6. Step 6: Final answer
    x = 2,436.61

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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.