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Finding the Fourth Proportional to 15,642.44, 23,468.08 and 6,289.04

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Solution

The fourth proportional to 15,642.44, 23,468.08 and 6,289.04 is: 9,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.44 : 23,468.08 = 6,289.04 : x
  2. Step 2: Convert to fraction form
    15,642.44/23,468.08 = 6,289.04/x
  3. Step 3: Cross multiply
    15,642.44x = 23,468.08 × 6,289.04
  4. Step 4: Simplify right side
    15,642.44x = 147,591,693.84
  5. Step 5: Solve for x
    x = 147,591,693.84/15,642.44
  6. Step 6: Final answer
    x = 9,435.34

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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.