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Finding the Fourth Proportional to 15,672.88, 23,503.85 and 4,579.32

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Solution

The fourth proportional to 15,672.88, 23,503.85 and 4,579.32 is: 6,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.88 : 23,503.85 = 4,579.32 : x
  2. Step 2: Convert to fraction form
    15,672.88/23,503.85 = 4,579.32/x
  3. Step 3: Cross multiply
    15,672.88x = 23,503.85 × 4,579.32
  4. Step 4: Simplify right side
    15,672.88x = 107,631,650.38
  5. Step 5: Solve for x
    x = 107,631,650.38/15,672.88
  6. Step 6: Final answer
    x = 6,867.38

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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.