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Finding the Fourth Proportional to 7,435.68, 10,262.68 and 4,917.92

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Solution

The fourth proportional to 7,435.68, 10,262.68 and 4,917.92 is: 6,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.68 : 10,262.68 = 4,917.92 : x
  2. Step 2: Convert to fraction form
    7,435.68/10,262.68 = 4,917.92/x
  3. Step 3: Cross multiply
    7,435.68x = 10,262.68 × 4,917.92
  4. Step 4: Simplify right side
    7,435.68x = 50,471,039.23
  5. Step 5: Solve for x
    x = 50,471,039.23/7,435.68
  6. Step 6: Final answer
    x = 6,787.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.