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Finding the Fourth Proportional to 8,595.95, 12,905.90 and 4,438.96

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Solution

The fourth proportional to 8,595.95, 12,905.90 and 4,438.96 is: 6,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.95 : 12,905.90 = 4,438.96 : x
  2. Step 2: Convert to fraction form
    8,595.95/12,905.90 = 4,438.96/x
  3. Step 3: Cross multiply
    8,595.95x = 12,905.90 × 4,438.96
  4. Step 4: Simplify right side
    8,595.95x = 57,288,719.40
  5. Step 5: Solve for x
    x = 57,288,719.40/8,595.95
  6. Step 6: Final answer
    x = 6,664.62

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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.