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Finding the Fourth Proportional to 28,473.06, 42,695.25 and 9,490.97

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Solution

The fourth proportional to 28,473.06, 42,695.25 and 9,490.97 is: 14,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473.06 : 42,695.25 = 9,490.97 : x
  2. Step 2: Convert to fraction form
    28,473.06/42,695.25 = 9,490.97/x
  3. Step 3: Cross multiply
    28,473.06x = 42,695.25 × 9,490.97
  4. Step 4: Simplify right side
    28,473.06x = 405,219,336.89
  5. Step 5: Solve for x
    x = 405,219,336.89/28,473.06
  6. Step 6: Final answer
    x = 14,231.68

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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.