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Finding the Fourth Proportional to 1,036.12, 1,554.18 and 550.12

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Solution

The fourth proportional to 1,036.12, 1,554.18 and 550.12 is: 825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.12 : 1,554.18 = 550.12 : x
  2. Step 2: Convert to fraction form
    1,036.12/1,554.18 = 550.12/x
  3. Step 3: Cross multiply
    1,036.12x = 1,554.18 × 550.12
  4. Step 4: Simplify right side
    1,036.12x = 854,985.50
  5. Step 5: Solve for x
    x = 854,985.50/1,036.12
  6. Step 6: Final answer
    x = 825.18

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.