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Finding the Fourth Proportional to 3,017.60, 4,525.04 and 936.99

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Solution

The fourth proportional to 3,017.60, 4,525.04 and 936.99 is: 1,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.60 : 4,525.04 = 936.99 : x
  2. Step 2: Convert to fraction form
    3,017.60/4,525.04 = 936.99/x
  3. Step 3: Cross multiply
    3,017.60x = 4,525.04 × 936.99
  4. Step 4: Simplify right side
    3,017.60x = 4,239,929.66
  5. Step 5: Solve for x
    x = 4,239,929.66/3,017.60
  6. Step 6: Final answer
    x = 1,405.06

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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.