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Finding the Fourth Proportional to 3,952.47, 5,928.71 and 3,495.63

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Solution

The fourth proportional to 3,952.47, 5,928.71 and 3,495.63 is: 5,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.47 : 5,928.71 = 3,495.63 : x
  2. Step 2: Convert to fraction form
    3,952.47/5,928.71 = 3,495.63/x
  3. Step 3: Cross multiply
    3,952.47x = 5,928.71 × 3,495.63
  4. Step 4: Simplify right side
    3,952.47x = 20,724,559.06
  5. Step 5: Solve for x
    x = 20,724,559.06/3,952.47
  6. Step 6: Final answer
    x = 5,243.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.