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Finding the Fourth Proportional to 8,133.88, 11,225.94 and 7,633.48

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Solution

The fourth proportional to 8,133.88, 11,225.94 and 7,633.48 is: 10,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.88 : 11,225.94 = 7,633.48 : x
  2. Step 2: Convert to fraction form
    8,133.88/11,225.94 = 7,633.48/x
  3. Step 3: Cross multiply
    8,133.88x = 11,225.94 × 7,633.48
  4. Step 4: Simplify right side
    8,133.88x = 85,692,988.47
  5. Step 5: Solve for x
    x = 85,692,988.47/8,133.88
  6. Step 6: Final answer
    x = 10,535.32

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Half scale
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Double scale
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Similar ratio
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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.