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Finding the Fourth Proportional to 8,506.28, 12,762.01 and 4,349.21

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Solution

The fourth proportional to 8,506.28, 12,762.01 and 4,349.21 is: 6,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.28 : 12,762.01 = 4,349.21 : x
  2. Step 2: Convert to fraction form
    8,506.28/12,762.01 = 4,349.21/x
  3. Step 3: Cross multiply
    8,506.28x = 12,762.01 × 4,349.21
  4. Step 4: Simplify right side
    8,506.28x = 55,504,645.15
  5. Step 5: Solve for x
    x = 55,504,645.15/8,506.28
  6. Step 6: Final answer
    x = 6,525.14

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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.