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Finding the Fourth Proportional to 5,910.68, 8,865.90 and 1,528.04

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Solution

The fourth proportional to 5,910.68, 8,865.90 and 1,528.04 is: 2,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.68 : 8,865.90 = 1,528.04 : x
  2. Step 2: Convert to fraction form
    5,910.68/8,865.90 = 1,528.04/x
  3. Step 3: Cross multiply
    5,910.68x = 8,865.90 × 1,528.04
  4. Step 4: Simplify right side
    5,910.68x = 13,547,405.51
  5. Step 5: Solve for x
    x = 13,547,405.51/5,910.68
  6. Step 6: Final answer
    x = 2,292.02

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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.