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Finding the Fourth Proportional to 4,379.04, 6,568.20 and 1,913.16

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Solution

The fourth proportional to 4,379.04, 6,568.20 and 1,913.16 is: 2,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.04 : 6,568.20 = 1,913.16 : x
  2. Step 2: Convert to fraction form
    4,379.04/6,568.20 = 1,913.16/x
  3. Step 3: Cross multiply
    4,379.04x = 6,568.20 × 1,913.16
  4. Step 4: Simplify right side
    4,379.04x = 12,566,017.51
  5. Step 5: Solve for x
    x = 12,566,017.51/4,379.04
  6. Step 6: Final answer
    x = 2,869.58

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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.