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Finding the Fourth Proportional to 15,670.72, 23,504.95 and 7,352.63

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Solution

The fourth proportional to 15,670.72, 23,504.95 and 7,352.63 is: 11,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.72 : 23,504.95 = 7,352.63 : x
  2. Step 2: Convert to fraction form
    15,670.72/23,504.95 = 7,352.63/x
  3. Step 3: Cross multiply
    15,670.72x = 23,504.95 × 7,352.63
  4. Step 4: Simplify right side
    15,670.72x = 172,823,200.52
  5. Step 5: Solve for x
    x = 172,823,200.52/15,670.72
  6. Step 6: Final answer
    x = 11,028.41

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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.