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Finding the Fourth Proportional to 23,691.64, 32,693.48 and 12,935.65

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Solution

The fourth proportional to 23,691.64, 32,693.48 and 12,935.65 is: 17,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,691.64 : 32,693.48 = 12,935.65 : x
  2. Step 2: Convert to fraction form
    23,691.64/32,693.48 = 12,935.65/x
  3. Step 3: Cross multiply
    23,691.64x = 32,693.48 × 12,935.65
  4. Step 4: Simplify right side
    23,691.64x = 422,911,349.88
  5. Step 5: Solve for x
    x = 422,911,349.88/23,691.64
  6. Step 6: Final answer
    x = 17,850.66

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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.