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Finding the Fourth Proportional to 3,394.53, 4,683.90 and 2,068.65

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Solution

The fourth proportional to 3,394.53, 4,683.90 and 2,068.65 is: 2,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.53 : 4,683.90 = 2,068.65 : x
  2. Step 2: Convert to fraction form
    3,394.53/4,683.90 = 2,068.65/x
  3. Step 3: Cross multiply
    3,394.53x = 4,683.90 × 2,068.65
  4. Step 4: Simplify right side
    3,394.53x = 9,689,349.74
  5. Step 5: Solve for x
    x = 9,689,349.74/3,394.53
  6. Step 6: Final answer
    x = 2,854.40

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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.