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Finding the Fourth Proportional to 9,146.71, 13,720.07 and 3,597.03

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Solution

The fourth proportional to 9,146.71, 13,720.07 and 3,597.03 is: 5,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.71 : 13,720.07 = 3,597.03 : x
  2. Step 2: Convert to fraction form
    9,146.71/13,720.07 = 3,597.03/x
  3. Step 3: Cross multiply
    9,146.71x = 13,720.07 × 3,597.03
  4. Step 4: Simplify right side
    9,146.71x = 49,351,503.39
  5. Step 5: Solve for x
    x = 49,351,503.39/9,146.71
  6. Step 6: Final answer
    x = 5,395.55

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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.