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Finding the Fourth Proportional to 12,473.68, 18,695.94 and 6,925.72

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Solution

The fourth proportional to 12,473.68, 18,695.94 and 6,925.72 is: 10,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.68 : 18,695.94 = 6,925.72 : x
  2. Step 2: Convert to fraction form
    12,473.68/18,695.94 = 6,925.72/x
  3. Step 3: Cross multiply
    12,473.68x = 18,695.94 × 6,925.72
  4. Step 4: Simplify right side
    12,473.68x = 129,482,845.58
  5. Step 5: Solve for x
    x = 129,482,845.58/12,473.68
  6. Step 6: Final answer
    x = 10,380.48

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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.