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Finding the Fourth Proportional to 8,916.52, 13,374.91 and 4,237.01

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Solution

The fourth proportional to 8,916.52, 13,374.91 and 4,237.01 is: 6,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.52 : 13,374.91 = 4,237.01 : x
  2. Step 2: Convert to fraction form
    8,916.52/13,374.91 = 4,237.01/x
  3. Step 3: Cross multiply
    8,916.52x = 13,374.91 × 4,237.01
  4. Step 4: Simplify right side
    8,916.52x = 56,669,610.04
  5. Step 5: Solve for x
    x = 56,669,610.04/8,916.52
  6. Step 6: Final answer
    x = 6,355.58

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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.