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Finding the Fourth Proportional to 10,093.92, 13,925.74 and 7,447.64

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Solution

The fourth proportional to 10,093.92, 13,925.74 and 7,447.64 is: 10,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,093.92 : 13,925.74 = 7,447.64 : x
  2. Step 2: Convert to fraction form
    10,093.92/13,925.74 = 7,447.64/x
  3. Step 3: Cross multiply
    10,093.92x = 13,925.74 × 7,447.64
  4. Step 4: Simplify right side
    10,093.92x = 103,713,898.25
  5. Step 5: Solve for x
    x = 103,713,898.25/10,093.92
  6. Step 6: Final answer
    x = 10,274.89

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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.