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Finding the Fourth Proportional to 4,281.39, 6,417.14 and 1,968.03

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Solution

The fourth proportional to 4,281.39, 6,417.14 and 1,968.03 is: 2,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.39 : 6,417.14 = 1,968.03 : x
  2. Step 2: Convert to fraction form
    4,281.39/6,417.14 = 1,968.03/x
  3. Step 3: Cross multiply
    4,281.39x = 6,417.14 × 1,968.03
  4. Step 4: Simplify right side
    4,281.39x = 12,629,114.19
  5. Step 5: Solve for x
    x = 12,629,114.19/4,281.39
  6. Step 6: Final answer
    x = 2,949.77

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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.