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Finding the Fourth Proportional to 2,368.88, 3,269.01 and 1,306.74

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Solution

The fourth proportional to 2,368.88, 3,269.01 and 1,306.74 is: 1,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.88 : 3,269.01 = 1,306.74 : x
  2. Step 2: Convert to fraction form
    2,368.88/3,269.01 = 1,306.74/x
  3. Step 3: Cross multiply
    2,368.88x = 3,269.01 × 1,306.74
  4. Step 4: Simplify right side
    2,368.88x = 4,271,753.49
  5. Step 5: Solve for x
    x = 4,271,753.49/2,368.88
  6. Step 6: Final answer
    x = 1,803.28

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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.