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Finding the Fourth Proportional to 16,674.42, 25,007.91 and 4,986.12

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Solution

The fourth proportional to 16,674.42, 25,007.91 and 4,986.12 is: 7,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.42 : 25,007.91 = 4,986.12 : x
  2. Step 2: Convert to fraction form
    16,674.42/25,007.91 = 4,986.12/x
  3. Step 3: Cross multiply
    16,674.42x = 25,007.91 × 4,986.12
  4. Step 4: Simplify right side
    16,674.42x = 124,692,440.21
  5. Step 5: Solve for x
    x = 124,692,440.21/16,674.42
  6. Step 6: Final answer
    x = 7,478.07

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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.