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Finding the Fourth Proportional to 8,503.52, 11,731.68 and 6,270.75

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Solution

The fourth proportional to 8,503.52, 11,731.68 and 6,270.75 is: 8,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.52 : 11,731.68 = 6,270.75 : x
  2. Step 2: Convert to fraction form
    8,503.52/11,731.68 = 6,270.75/x
  3. Step 3: Cross multiply
    8,503.52x = 11,731.68 × 6,270.75
  4. Step 4: Simplify right side
    8,503.52x = 73,566,432.36
  5. Step 5: Solve for x
    x = 73,566,432.36/8,503.52
  6. Step 6: Final answer
    x = 8,651.30

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Half scale
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Double scale
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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.