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Finding the Fourth Proportional to 6,300.87, 9,448.58 and 1,917.32

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Solution

The fourth proportional to 6,300.87, 9,448.58 and 1,917.32 is: 2,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.87 : 9,448.58 = 1,917.32 : x
  2. Step 2: Convert to fraction form
    6,300.87/9,448.58 = 1,917.32/x
  3. Step 3: Cross multiply
    6,300.87x = 9,448.58 × 1,917.32
  4. Step 4: Simplify right side
    6,300.87x = 18,115,894.58
  5. Step 5: Solve for x
    x = 18,115,894.58/6,300.87
  6. Step 6: Final answer
    x = 2,875.14

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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.