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Finding the Fourth Proportional to 4,903.69, 6,766.95 and 2,665.51

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Solution

The fourth proportional to 4,903.69, 6,766.95 and 2,665.51 is: 3,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.69 : 6,766.95 = 2,665.51 : x
  2. Step 2: Convert to fraction form
    4,903.69/6,766.95 = 2,665.51/x
  3. Step 3: Cross multiply
    4,903.69x = 6,766.95 × 2,665.51
  4. Step 4: Simplify right side
    4,903.69x = 18,037,349.31
  5. Step 5: Solve for x
    x = 18,037,349.31/4,903.69
  6. Step 6: Final answer
    x = 3,678.32

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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.