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Finding the Fourth Proportional to 14,975.92, 22,468.74 and 7,185.34

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Solution

The fourth proportional to 14,975.92, 22,468.74 and 7,185.34 is: 10,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.92 : 22,468.74 = 7,185.34 : x
  2. Step 2: Convert to fraction form
    14,975.92/22,468.74 = 7,185.34/x
  3. Step 3: Cross multiply
    14,975.92x = 22,468.74 × 7,185.34
  4. Step 4: Simplify right side
    14,975.92x = 161,445,536.27
  5. Step 5: Solve for x
    x = 161,445,536.27/14,975.92
  6. Step 6: Final answer
    x = 10,780.34

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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.