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Finding the Fourth Proportional to 6,379.70, 9,567.80 and 4,036.18

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Solution

The fourth proportional to 6,379.70, 9,567.80 and 4,036.18 is: 6,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.70 : 9,567.80 = 4,036.18 : x
  2. Step 2: Convert to fraction form
    6,379.70/9,567.80 = 4,036.18/x
  3. Step 3: Cross multiply
    6,379.70x = 9,567.80 × 4,036.18
  4. Step 4: Simplify right side
    6,379.70x = 38,617,363.00
  5. Step 5: Solve for x
    x = 38,617,363.00/6,379.70
  6. Step 6: Final answer
    x = 6,053.16

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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.