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Finding the Fourth Proportional to 1,697.96, 2,547.04 and 528.04

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Solution

The fourth proportional to 1,697.96, 2,547.04 and 528.04 is: 792.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.96 : 2,547.04 = 528.04 : x
  2. Step 2: Convert to fraction form
    1,697.96/2,547.04 = 528.04/x
  3. Step 3: Cross multiply
    1,697.96x = 2,547.04 × 528.04
  4. Step 4: Simplify right side
    1,697.96x = 1,344,939.00
  5. Step 5: Solve for x
    x = 1,344,939.00/1,697.96
  6. Step 6: Final answer
    x = 792.09

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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.