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Finding the Fourth Proportional to 9,426.80, 14,107.80 and 6,510.80

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Solution

The fourth proportional to 9,426.80, 14,107.80 and 6,510.80 is: 9,743.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.80 : 14,107.80 = 6,510.80 : x
  2. Step 2: Convert to fraction form
    9,426.80/14,107.80 = 6,510.80/x
  3. Step 3: Cross multiply
    9,426.80x = 14,107.80 × 6,510.80
  4. Step 4: Simplify right side
    9,426.80x = 91,853,064.24
  5. Step 5: Solve for x
    x = 91,853,064.24/9,426.80
  6. Step 6: Final answer
    x = 9,743.82

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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.