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Finding the Fourth Proportional to 6,018.30, 8,304.93 and 3,779.46

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Solution

The fourth proportional to 6,018.30, 8,304.93 and 3,779.46 is: 5,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,018.30 : 8,304.93 = 3,779.46 : x
  2. Step 2: Convert to fraction form
    6,018.30/8,304.93 = 3,779.46/x
  3. Step 3: Cross multiply
    6,018.30x = 8,304.93 × 3,779.46
  4. Step 4: Simplify right side
    6,018.30x = 31,388,150.74
  5. Step 5: Solve for x
    x = 31,388,150.74/6,018.30
  6. Step 6: Final answer
    x = 5,215.45

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.