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Finding the Fourth Proportional to 8,594.30, 12,900.67 and 7,222.77

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Solution

The fourth proportional to 8,594.30, 12,900.67 and 7,222.77 is: 10,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,594.30 : 12,900.67 = 7,222.77 : x
  2. Step 2: Convert to fraction form
    8,594.30/12,900.67 = 7,222.77/x
  3. Step 3: Cross multiply
    8,594.30x = 12,900.67 × 7,222.77
  4. Step 4: Simplify right side
    8,594.30x = 93,178,554.20
  5. Step 5: Solve for x
    x = 93,178,554.20/8,594.30
  6. Step 6: Final answer
    x = 10,841.90

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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.