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Finding the Fourth Proportional to 9,805.49, 14,702.29 and 3,955.26

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Solution

The fourth proportional to 9,805.49, 14,702.29 and 3,955.26 is: 5,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.49 : 14,702.29 = 3,955.26 : x
  2. Step 2: Convert to fraction form
    9,805.49/14,702.29 = 3,955.26/x
  3. Step 3: Cross multiply
    9,805.49x = 14,702.29 × 3,955.26
  4. Step 4: Simplify right side
    9,805.49x = 58,151,389.43
  5. Step 5: Solve for x
    x = 58,151,389.43/9,805.49
  6. Step 6: Final answer
    x = 5,930.50

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Double scale
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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.