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Finding the Fourth Proportional to 8,955.58, 13,405.66 and 7,626.98

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Solution

The fourth proportional to 8,955.58, 13,405.66 and 7,626.98 is: 11,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.58 : 13,405.66 = 7,626.98 : x
  2. Step 2: Convert to fraction form
    8,955.58/13,405.66 = 7,626.98/x
  3. Step 3: Cross multiply
    8,955.58x = 13,405.66 × 7,626.98
  4. Step 4: Simplify right side
    8,955.58x = 102,244,700.71
  5. Step 5: Solve for x
    x = 102,244,700.71/8,955.58
  6. Step 6: Final answer
    x = 11,416.87

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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.