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Finding the Fourth Proportional to 2,913.24, 4,370.04 and 833.40

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Solution

The fourth proportional to 2,913.24, 4,370.04 and 833.40 is: 1,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.24 : 4,370.04 = 833.40 : x
  2. Step 2: Convert to fraction form
    2,913.24/4,370.04 = 833.40/x
  3. Step 3: Cross multiply
    2,913.24x = 4,370.04 × 833.40
  4. Step 4: Simplify right side
    2,913.24x = 3,641,991.34
  5. Step 5: Solve for x
    x = 3,641,991.34/2,913.24
  6. Step 6: Final answer
    x = 1,250.15

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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.