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Finding the Fourth Proportional to 5,000.96, 6,900.72 and 2,762.66

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Solution

The fourth proportional to 5,000.96, 6,900.72 and 2,762.66 is: 3,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.96 : 6,900.72 = 2,762.66 : x
  2. Step 2: Convert to fraction form
    5,000.96/6,900.72 = 2,762.66/x
  3. Step 3: Cross multiply
    5,000.96x = 6,900.72 × 2,762.66
  4. Step 4: Simplify right side
    5,000.96x = 19,064,343.12
  5. Step 5: Solve for x
    x = 19,064,343.12/5,000.96
  6. Step 6: Final answer
    x = 3,812.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.