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Finding the Fourth Proportional to 5,000.56, 6,900.74 and 2,762.58

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Solution

The fourth proportional to 5,000.56, 6,900.74 and 2,762.58 is: 3,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.56 : 6,900.74 = 2,762.58 : x
  2. Step 2: Convert to fraction form
    5,000.56/6,900.74 = 2,762.58/x
  3. Step 3: Cross multiply
    5,000.56x = 6,900.74 × 2,762.58
  4. Step 4: Simplify right side
    5,000.56x = 19,063,846.31
  5. Step 5: Solve for x
    x = 19,063,846.31/5,000.56
  6. Step 6: Final answer
    x = 3,812.34

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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.