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Finding the Fourth Proportional to 8,594.37, 12,889.50 and 6,281.61

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Solution

The fourth proportional to 8,594.37, 12,889.50 and 6,281.61 is: 9,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,594.37 : 12,889.50 = 6,281.61 : x
  2. Step 2: Convert to fraction form
    8,594.37/12,889.50 = 6,281.61/x
  3. Step 3: Cross multiply
    8,594.37x = 12,889.50 × 6,281.61
  4. Step 4: Simplify right side
    8,594.37x = 80,966,812.10
  5. Step 5: Solve for x
    x = 80,966,812.10/8,594.37
  6. Step 6: Final answer
    x = 9,420.91

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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.