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Finding the Fourth Proportional to 9,723.20, 14,602.08 and 6,807.20

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Solution

The fourth proportional to 9,723.20, 14,602.08 and 6,807.20 is: 10,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.20 : 14,602.08 = 6,807.20 : x
  2. Step 2: Convert to fraction form
    9,723.20/14,602.08 = 6,807.20/x
  3. Step 3: Cross multiply
    9,723.20x = 14,602.08 × 6,807.20
  4. Step 4: Simplify right side
    9,723.20x = 99,399,278.98
  5. Step 5: Solve for x
    x = 99,399,278.98/9,723.20
  6. Step 6: Final answer
    x = 10,222.90

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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.