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Finding the Fourth Proportional to 10,348.92, 14,276.91 and 7,954.62

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Solution

The fourth proportional to 10,348.92, 14,276.91 and 7,954.62 is: 10,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.92 : 14,276.91 = 7,954.62 : x
  2. Step 2: Convert to fraction form
    10,348.92/14,276.91 = 7,954.62/x
  3. Step 3: Cross multiply
    10,348.92x = 14,276.91 × 7,954.62
  4. Step 4: Simplify right side
    10,348.92x = 113,567,393.82
  5. Step 5: Solve for x
    x = 113,567,393.82/10,348.92
  6. Step 6: Final answer
    x = 10,973.84

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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.