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Finding the Fourth Proportional to 4,609.34, 6,914.91 and 1,490.13

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Solution

The fourth proportional to 4,609.34, 6,914.91 and 1,490.13 is: 2,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.34 : 6,914.91 = 1,490.13 : x
  2. Step 2: Convert to fraction form
    4,609.34/6,914.91 = 1,490.13/x
  3. Step 3: Cross multiply
    4,609.34x = 6,914.91 × 1,490.13
  4. Step 4: Simplify right side
    4,609.34x = 10,304,114.84
  5. Step 5: Solve for x
    x = 10,304,114.84/4,609.34
  6. Step 6: Final answer
    x = 2,235.49

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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.