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Finding the Fourth Proportional to 1,260.48, 1,890.70 and 952.93

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Solution

The fourth proportional to 1,260.48, 1,890.70 and 952.93 is: 1,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.48 : 1,890.70 = 952.93 : x
  2. Step 2: Convert to fraction form
    1,260.48/1,890.70 = 952.93/x
  3. Step 3: Cross multiply
    1,260.48x = 1,890.70 × 952.93
  4. Step 4: Simplify right side
    1,260.48x = 1,801,704.75
  5. Step 5: Solve for x
    x = 1,801,704.75/1,260.48
  6. Step 6: Final answer
    x = 1,429.38

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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.