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Finding the Fourth Proportional to 10,339.99, 14,277.20 and 7,946.17

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Solution

The fourth proportional to 10,339.99, 14,277.20 and 7,946.17 is: 10,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.99 : 14,277.20 = 7,946.17 : x
  2. Step 2: Convert to fraction form
    10,339.99/14,277.20 = 7,946.17/x
  3. Step 3: Cross multiply
    10,339.99x = 14,277.20 × 7,946.17
  4. Step 4: Simplify right side
    10,339.99x = 113,449,018.59
  5. Step 5: Solve for x
    x = 113,449,018.59/10,339.99
  6. Step 6: Final answer
    x = 10,971.87

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Double scale
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Similar ratio
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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.