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Finding the Fourth Proportional to 5,670.53, 8,502.89 and 2,547.88

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Solution

The fourth proportional to 5,670.53, 8,502.89 and 2,547.88 is: 3,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.53 : 8,502.89 = 2,547.88 : x
  2. Step 2: Convert to fraction form
    5,670.53/8,502.89 = 2,547.88/x
  3. Step 3: Cross multiply
    5,670.53x = 8,502.89 × 2,547.88
  4. Step 4: Simplify right side
    5,670.53x = 21,664,309.38
  5. Step 5: Solve for x
    x = 21,664,309.38/5,670.53
  6. Step 6: Final answer
    x = 3,820.51

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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.