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Finding the Fourth Proportional to 4,547.61, 6,820.65 and 1,469.61

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Solution

The fourth proportional to 4,547.61, 6,820.65 and 1,469.61 is: 2,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.61 : 6,820.65 = 1,469.61 : x
  2. Step 2: Convert to fraction form
    4,547.61/6,820.65 = 1,469.61/x
  3. Step 3: Cross multiply
    4,547.61x = 6,820.65 × 1,469.61
  4. Step 4: Simplify right side
    4,547.61x = 10,023,695.45
  5. Step 5: Solve for x
    x = 10,023,695.45/4,547.61
  6. Step 6: Final answer
    x = 2,204.17

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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.