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Finding the Fourth Proportional to 2,290.07, 3,434.33 and 903.04

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Solution

The fourth proportional to 2,290.07, 3,434.33 and 903.04 is: 1,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.07 : 3,434.33 = 903.04 : x
  2. Step 2: Convert to fraction form
    2,290.07/3,434.33 = 903.04/x
  3. Step 3: Cross multiply
    2,290.07x = 3,434.33 × 903.04
  4. Step 4: Simplify right side
    2,290.07x = 3,101,337.36
  5. Step 5: Solve for x
    x = 3,101,337.36/2,290.07
  6. Step 6: Final answer
    x = 1,354.25

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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.