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Finding the Fourth Proportional to 14,125.01, 21,184.92 and 4,764.20

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Solution

The fourth proportional to 14,125.01, 21,184.92 and 4,764.20 is: 7,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.01 : 21,184.92 = 4,764.20 : x
  2. Step 2: Convert to fraction form
    14,125.01/21,184.92 = 4,764.20/x
  3. Step 3: Cross multiply
    14,125.01x = 21,184.92 × 4,764.20
  4. Step 4: Simplify right side
    14,125.01x = 100,929,089.94
  5. Step 5: Solve for x
    x = 100,929,089.94/14,125.01
  6. Step 6: Final answer
    x = 7,145.42

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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.