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Finding the Fourth Proportional to 2,886.08, 3,983.04 and 1,707.08

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Solution

The fourth proportional to 2,886.08, 3,983.04 and 1,707.08 is: 2,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.08 : 3,983.04 = 1,707.08 : x
  2. Step 2: Convert to fraction form
    2,886.08/3,983.04 = 1,707.08/x
  3. Step 3: Cross multiply
    2,886.08x = 3,983.04 × 1,707.08
  4. Step 4: Simplify right side
    2,886.08x = 6,799,367.92
  5. Step 5: Solve for x
    x = 6,799,367.92/2,886.08
  6. Step 6: Final answer
    x = 2,355.92

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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.