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Finding the Fourth Proportional to 9,048.40, 13,567.80 and 3,205.20

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Solution

The fourth proportional to 9,048.40, 13,567.80 and 3,205.20 is: 4,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.40 : 13,567.80 = 3,205.20 : x
  2. Step 2: Convert to fraction form
    9,048.40/13,567.80 = 3,205.20/x
  3. Step 3: Cross multiply
    9,048.40x = 13,567.80 × 3,205.20
  4. Step 4: Simplify right side
    9,048.40x = 43,487,512.56
  5. Step 5: Solve for x
    x = 43,487,512.56/9,048.40
  6. Step 6: Final answer
    x = 4,806.10

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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.