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Finding the Fourth Proportional to 5,666.76, 8,500.55 and 1,507.01

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Solution

The fourth proportional to 5,666.76, 8,500.55 and 1,507.01 is: 2,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.76 : 8,500.55 = 1,507.01 : x
  2. Step 2: Convert to fraction form
    5,666.76/8,500.55 = 1,507.01/x
  3. Step 3: Cross multiply
    5,666.76x = 8,500.55 × 1,507.01
  4. Step 4: Simplify right side
    5,666.76x = 12,810,363.82
  5. Step 5: Solve for x
    x = 12,810,363.82/5,666.76
  6. Step 6: Final answer
    x = 2,260.62

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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.