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Finding the Fourth Proportional to 4,420.32, 6,632.08 and 4,012.08

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Solution

The fourth proportional to 4,420.32, 6,632.08 and 4,012.08 is: 6,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.32 : 6,632.08 = 4,012.08 : x
  2. Step 2: Convert to fraction form
    4,420.32/6,632.08 = 4,012.08/x
  3. Step 3: Cross multiply
    4,420.32x = 6,632.08 × 4,012.08
  4. Step 4: Simplify right side
    4,420.32x = 26,608,435.53
  5. Step 5: Solve for x
    x = 26,608,435.53/4,420.32
  6. Step 6: Final answer
    x = 6,019.57

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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.