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Finding the Fourth Proportional to 4,610.94, 6,916.32 and 1,323.96

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Solution

The fourth proportional to 4,610.94, 6,916.32 and 1,323.96 is: 1,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.94 : 6,916.32 = 1,323.96 : x
  2. Step 2: Convert to fraction form
    4,610.94/6,916.32 = 1,323.96/x
  3. Step 3: Cross multiply
    4,610.94x = 6,916.32 × 1,323.96
  4. Step 4: Simplify right side
    4,610.94x = 9,156,931.03
  5. Step 5: Solve for x
    x = 9,156,931.03/4,610.94
  6. Step 6: Final answer
    x = 1,985.91

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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.