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Finding the Fourth Proportional to 7,482.96, 11,225.76 and 6,108.48

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Solution

The fourth proportional to 7,482.96, 11,225.76 and 6,108.48 is: 9,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.96 : 11,225.76 = 6,108.48 : x
  2. Step 2: Convert to fraction form
    7,482.96/11,225.76 = 6,108.48/x
  3. Step 3: Cross multiply
    7,482.96x = 11,225.76 × 6,108.48
  4. Step 4: Simplify right side
    7,482.96x = 68,572,330.44
  5. Step 5: Solve for x
    x = 68,572,330.44/7,482.96
  6. Step 6: Final answer
    x = 9,163.80

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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.