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Finding the Fourth Proportional to 1,036.25, 1,554.84 and 549.19

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Solution

The fourth proportional to 1,036.25, 1,554.84 and 549.19 is: 824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.25 : 1,554.84 = 549.19 : x
  2. Step 2: Convert to fraction form
    1,036.25/1,554.84 = 549.19/x
  3. Step 3: Cross multiply
    1,036.25x = 1,554.84 × 549.19
  4. Step 4: Simplify right side
    1,036.25x = 853,898.69
  5. Step 5: Solve for x
    x = 853,898.69/1,036.25
  6. Step 6: Final answer
    x = 824.03

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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.