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Finding the Fourth Proportional to 10,014.80, 14,983.80 and 6,558.80

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Solution

The fourth proportional to 10,014.80, 14,983.80 and 6,558.80 is: 9,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.80 : 14,983.80 = 6,558.80 : x
  2. Step 2: Convert to fraction form
    10,014.80/14,983.80 = 6,558.80/x
  3. Step 3: Cross multiply
    10,014.80x = 14,983.80 × 6,558.80
  4. Step 4: Simplify right side
    10,014.80x = 98,275,747.44
  5. Step 5: Solve for x
    x = 98,275,747.44/10,014.80
  6. Step 6: Final answer
    x = 9,813.05

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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.