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Finding the Fourth Proportional to 8,328.03, 12,472.11 and 4,621.07

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Solution

The fourth proportional to 8,328.03, 12,472.11 and 4,621.07 is: 6,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.03 : 12,472.11 = 4,621.07 : x
  2. Step 2: Convert to fraction form
    8,328.03/12,472.11 = 4,621.07/x
  3. Step 3: Cross multiply
    8,328.03x = 12,472.11 × 4,621.07
  4. Step 4: Simplify right side
    8,328.03x = 57,634,493.36
  5. Step 5: Solve for x
    x = 57,634,493.36/8,328.03
  6. Step 6: Final answer
    x = 6,920.54

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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.