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Finding the Fourth Proportional to 9,465.10, 14,193.60 and 3,916.60

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Solution

The fourth proportional to 9,465.10, 14,193.60 and 3,916.60 is: 5,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,465.10 : 14,193.60 = 3,916.60 : x
  2. Step 2: Convert to fraction form
    9,465.10/14,193.60 = 3,916.60/x
  3. Step 3: Cross multiply
    9,465.10x = 14,193.60 × 3,916.60
  4. Step 4: Simplify right side
    9,465.10x = 55,590,653.76
  5. Step 5: Solve for x
    x = 55,590,653.76/9,465.10
  6. Step 6: Final answer
    x = 5,873.22

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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.