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Finding the Fourth Proportional to 29,468.16, 40,668 and 16,893.12

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Solution

The fourth proportional to 29,468.16, 40,668 and 16,893.12 is: 23,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,468.16 : 40,668 = 16,893.12 : x
  2. Step 2: Convert to fraction form
    29,468.16/40,668 = 16,893.12/x
  3. Step 3: Cross multiply
    29,468.16x = 40,668 × 16,893.12
  4. Step 4: Simplify right side
    29,468.16x = 687,009,404.16
  5. Step 5: Solve for x
    x = 687,009,404.16/29,468.16
  6. Step 6: Final answer
    x = 23,313.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.