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Finding the Fourth Proportional to 9,621.41, 14,432.11 and 7,005.56

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Solution

The fourth proportional to 9,621.41, 14,432.11 and 7,005.56 is: 10,508.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.41 : 14,432.11 = 7,005.56 : x
  2. Step 2: Convert to fraction form
    9,621.41/14,432.11 = 7,005.56/x
  3. Step 3: Cross multiply
    9,621.41x = 14,432.11 × 7,005.56
  4. Step 4: Simplify right side
    9,621.41x = 101,105,012.53
  5. Step 5: Solve for x
    x = 101,105,012.53/9,621.41
  6. Step 6: Final answer
    x = 10,508.34

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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.