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Finding the Fourth Proportional to 9,222.76, 13,842.78 and 4,295.80

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Solution

The fourth proportional to 9,222.76, 13,842.78 and 4,295.80 is: 6,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.76 : 13,842.78 = 4,295.80 : x
  2. Step 2: Convert to fraction form
    9,222.76/13,842.78 = 4,295.80/x
  3. Step 3: Cross multiply
    9,222.76x = 13,842.78 × 4,295.80
  4. Step 4: Simplify right side
    9,222.76x = 59,465,814.32
  5. Step 5: Solve for x
    x = 59,465,814.32/9,222.76
  6. Step 6: Final answer
    x = 6,447.72

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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.