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Finding the Fourth Proportional to 15,468.69, 23,203.85 and 7,156.47

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Solution

The fourth proportional to 15,468.69, 23,203.85 and 7,156.47 is: 10,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.69 : 23,203.85 = 7,156.47 : x
  2. Step 2: Convert to fraction form
    15,468.69/23,203.85 = 7,156.47/x
  3. Step 3: Cross multiply
    15,468.69x = 23,203.85 × 7,156.47
  4. Step 4: Simplify right side
    15,468.69x = 166,057,620.63
  5. Step 5: Solve for x
    x = 166,057,620.63/15,468.69
  6. Step 6: Final answer
    x = 10,735.08

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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.