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Finding the Fourth Proportional to 2,088.73, 3,133.10 and 549.73

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Solution

The fourth proportional to 2,088.73, 3,133.10 and 549.73 is: 824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.73 : 3,133.10 = 549.73 : x
  2. Step 2: Convert to fraction form
    2,088.73/3,133.10 = 549.73/x
  3. Step 3: Cross multiply
    2,088.73x = 3,133.10 × 549.73
  4. Step 4: Simplify right side
    2,088.73x = 1,722,359.06
  5. Step 5: Solve for x
    x = 1,722,359.06/2,088.73
  6. Step 6: Final answer
    x = 824.60

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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.