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Finding the Fourth Proportional to 10,617.51, 15,928.65 and 3,597.12

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Solution

The fourth proportional to 10,617.51, 15,928.65 and 3,597.12 is: 5,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.51 : 15,928.65 = 3,597.12 : x
  2. Step 2: Convert to fraction form
    10,617.51/15,928.65 = 3,597.12/x
  3. Step 3: Cross multiply
    10,617.51x = 15,928.65 × 3,597.12
  4. Step 4: Simplify right side
    10,617.51x = 57,297,265.49
  5. Step 5: Solve for x
    x = 57,297,265.49/10,617.51
  6. Step 6: Final answer
    x = 5,396.49

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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.