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Finding the Fourth Proportional to 5,014.88, 6,923.88 and 3,127.22

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Solution

The fourth proportional to 5,014.88, 6,923.88 and 3,127.22 is: 4,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.88 : 6,923.88 = 3,127.22 : x
  2. Step 2: Convert to fraction form
    5,014.88/6,923.88 = 3,127.22/x
  3. Step 3: Cross multiply
    5,014.88x = 6,923.88 × 3,127.22
  4. Step 4: Simplify right side
    5,014.88x = 21,652,445.76
  5. Step 5: Solve for x
    x = 21,652,445.76/5,014.88
  6. Step 6: Final answer
    x = 4,317.64

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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.