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Finding the Fourth Proportional to 2,407.68, 3,611.52 and 2,088.96

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Solution

The fourth proportional to 2,407.68, 3,611.52 and 2,088.96 is: 3,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.68 : 3,611.52 = 2,088.96 : x
  2. Step 2: Convert to fraction form
    2,407.68/3,611.52 = 2,088.96/x
  3. Step 3: Cross multiply
    2,407.68x = 3,611.52 × 2,088.96
  4. Step 4: Simplify right side
    2,407.68x = 7,544,320.82
  5. Step 5: Solve for x
    x = 7,544,320.82/2,407.68
  6. Step 6: Final answer
    x = 3,133.44

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1.5x scale

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.