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Finding the Fourth Proportional to 5,666.87, 8,499.63 and 1,507.19

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Solution

The fourth proportional to 5,666.87, 8,499.63 and 1,507.19 is: 2,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.87 : 8,499.63 = 1,507.19 : x
  2. Step 2: Convert to fraction form
    5,666.87/8,499.63 = 1,507.19/x
  3. Step 3: Cross multiply
    5,666.87x = 8,499.63 × 1,507.19
  4. Step 4: Simplify right side
    5,666.87x = 12,810,520.49
  5. Step 5: Solve for x
    x = 12,810,520.49/5,666.87
  6. Step 6: Final answer
    x = 2,260.60

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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.