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Finding the Fourth Proportional to 8,697.17, 13,045.80 and 3,698.26

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Solution

The fourth proportional to 8,697.17, 13,045.80 and 3,698.26 is: 5,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.17 : 13,045.80 = 3,698.26 : x
  2. Step 2: Convert to fraction form
    8,697.17/13,045.80 = 3,698.26/x
  3. Step 3: Cross multiply
    8,697.17x = 13,045.80 × 3,698.26
  4. Step 4: Simplify right side
    8,697.17x = 48,246,676.59
  5. Step 5: Solve for x
    x = 48,246,676.59/8,697.17
  6. Step 6: Final answer
    x = 5,547.40

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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.