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Finding the Fourth Proportional to 1,934.52, 2,900.04 and 946.80

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Solution

The fourth proportional to 1,934.52, 2,900.04 and 946.80 is: 1,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.52 : 2,900.04 = 946.80 : x
  2. Step 2: Convert to fraction form
    1,934.52/2,900.04 = 946.80/x
  3. Step 3: Cross multiply
    1,934.52x = 2,900.04 × 946.80
  4. Step 4: Simplify right side
    1,934.52x = 2,745,757.87
  5. Step 5: Solve for x
    x = 2,745,757.87/1,934.52
  6. Step 6: Final answer
    x = 1,419.35

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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.