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Finding the Fourth Proportional to 8,905.34, 13,354.10 and 4,226.67

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Solution

The fourth proportional to 8,905.34, 13,354.10 and 4,226.67 is: 6,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.34 : 13,354.10 = 4,226.67 : x
  2. Step 2: Convert to fraction form
    8,905.34/13,354.10 = 4,226.67/x
  3. Step 3: Cross multiply
    8,905.34x = 13,354.10 × 4,226.67
  4. Step 4: Simplify right side
    8,905.34x = 56,443,352.71
  5. Step 5: Solve for x
    x = 56,443,352.71/8,905.34
  6. Step 6: Final answer
    x = 6,338.15

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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.