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Finding the Fourth Proportional to 2,903.13, 4,002.89 and 1,895.49

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Solution

The fourth proportional to 2,903.13, 4,002.89 and 1,895.49 is: 2,613.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.13 : 4,002.89 = 1,895.49 : x
  2. Step 2: Convert to fraction form
    2,903.13/4,002.89 = 1,895.49/x
  3. Step 3: Cross multiply
    2,903.13x = 4,002.89 × 1,895.49
  4. Step 4: Simplify right side
    2,903.13x = 7,587,428.49
  5. Step 5: Solve for x
    x = 7,587,428.49/2,903.13
  6. Step 6: Final answer
    x = 2,613.53

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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.