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Finding the Fourth Proportional to 9,203.04, 12,711.63 and 9,064.80

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Solution

The fourth proportional to 9,203.04, 12,711.63 and 9,064.80 is: 12,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.04 : 12,711.63 = 9,064.80 : x
  2. Step 2: Convert to fraction form
    9,203.04/12,711.63 = 9,064.80/x
  3. Step 3: Cross multiply
    9,203.04x = 12,711.63 × 9,064.80
  4. Step 4: Simplify right side
    9,203.04x = 115,228,383.62
  5. Step 5: Solve for x
    x = 115,228,383.62/9,203.04
  6. Step 6: Final answer
    x = 12,520.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.