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Finding the Fourth Proportional to 6,315.04, 9,472.74 and 1,932.40

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Solution

The fourth proportional to 6,315.04, 9,472.74 and 1,932.40 is: 2,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.04 : 9,472.74 = 1,932.40 : x
  2. Step 2: Convert to fraction form
    6,315.04/9,472.74 = 1,932.40/x
  3. Step 3: Cross multiply
    6,315.04x = 9,472.74 × 1,932.40
  4. Step 4: Simplify right side
    6,315.04x = 18,305,122.78
  5. Step 5: Solve for x
    x = 18,305,122.78/6,315.04
  6. Step 6: Final answer
    x = 2,898.66

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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.