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Finding the Fourth Proportional to 9,048.80, 13,573.68 and 8,508.32

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Solution

The fourth proportional to 9,048.80, 13,573.68 and 8,508.32 is: 12,762.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.80 : 13,573.68 = 8,508.32 : x
  2. Step 2: Convert to fraction form
    9,048.80/13,573.68 = 8,508.32/x
  3. Step 3: Cross multiply
    9,048.80x = 13,573.68 × 8,508.32
  4. Step 4: Simplify right side
    9,048.80x = 115,489,213.02
  5. Step 5: Solve for x
    x = 115,489,213.02/9,048.80
  6. Step 6: Final answer
    x = 12,762.93

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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.