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Finding the Fourth Proportional to 6,378.04, 9,567.06 and 2,919.16

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Solution

The fourth proportional to 6,378.04, 9,567.06 and 2,919.16 is: 4,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.04 : 9,567.06 = 2,919.16 : x
  2. Step 2: Convert to fraction form
    6,378.04/9,567.06 = 2,919.16/x
  3. Step 3: Cross multiply
    6,378.04x = 9,567.06 × 2,919.16
  4. Step 4: Simplify right side
    6,378.04x = 27,927,778.87
  5. Step 5: Solve for x
    x = 27,927,778.87/6,378.04
  6. Step 6: Final answer
    x = 4,378.74

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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.