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Finding the Fourth Proportional to 8,893.61, 13,311.45 and 6,552.67

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Solution

The fourth proportional to 8,893.61, 13,311.45 and 6,552.67 is: 9,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.61 : 13,311.45 = 6,552.67 : x
  2. Step 2: Convert to fraction form
    8,893.61/13,311.45 = 6,552.67/x
  3. Step 3: Cross multiply
    8,893.61x = 13,311.45 × 6,552.67
  4. Step 4: Simplify right side
    8,893.61x = 87,225,506.31
  5. Step 5: Solve for x
    x = 87,225,506.31/8,893.61
  6. Step 6: Final answer
    x = 9,807.67

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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.