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Finding the Fourth Proportional to 3,732.48, 5,598.72 and 3,518.64

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Solution

The fourth proportional to 3,732.48, 5,598.72 and 3,518.64 is: 5,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.48 : 5,598.72 = 3,518.64 : x
  2. Step 2: Convert to fraction form
    3,732.48/5,598.72 = 3,518.64/x
  3. Step 3: Cross multiply
    3,732.48x = 5,598.72 × 3,518.64
  4. Step 4: Simplify right side
    3,732.48x = 19,699,880.14
  5. Step 5: Solve for x
    x = 19,699,880.14/3,732.48
  6. Step 6: Final answer
    x = 5,277.96

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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.