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Finding the Fourth Proportional to 8,596.95, 12,907.40 and 4,439.96

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Solution

The fourth proportional to 8,596.95, 12,907.40 and 4,439.96 is: 6,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.95 : 12,907.40 = 4,439.96 : x
  2. Step 2: Convert to fraction form
    8,596.95/12,907.40 = 4,439.96/x
  3. Step 3: Cross multiply
    8,596.95x = 12,907.40 × 4,439.96
  4. Step 4: Simplify right side
    8,596.95x = 57,308,339.70
  5. Step 5: Solve for x
    x = 57,308,339.70/8,596.95
  6. Step 6: Final answer
    x = 6,666.12

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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.