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Finding the Fourth Proportional to 8,953.60, 13,428.24 and 3,758.08

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Solution

The fourth proportional to 8,953.60, 13,428.24 and 3,758.08 is: 5,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.60 : 13,428.24 = 3,758.08 : x
  2. Step 2: Convert to fraction form
    8,953.60/13,428.24 = 3,758.08/x
  3. Step 3: Cross multiply
    8,953.60x = 13,428.24 × 3,758.08
  4. Step 4: Simplify right side
    8,953.60x = 50,464,400.18
  5. Step 5: Solve for x
    x = 50,464,400.18/8,953.60
  6. Step 6: Final answer
    x = 5,636.21

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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.