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Finding the Fourth Proportional to 1,036.51, 1,554.46 and 549.29

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Solution

The fourth proportional to 1,036.51, 1,554.46 and 549.29 is: 823.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.51 : 1,554.46 = 549.29 : x
  2. Step 2: Convert to fraction form
    1,036.51/1,554.46 = 549.29/x
  3. Step 3: Cross multiply
    1,036.51x = 1,554.46 × 549.29
  4. Step 4: Simplify right side
    1,036.51x = 853,849.33
  5. Step 5: Solve for x
    x = 853,849.33/1,036.51
  6. Step 6: Final answer
    x = 823.77

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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.