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Finding the Fourth Proportional to 8,307.97, 11,463.69 and 4,950.70

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Solution

The fourth proportional to 8,307.97, 11,463.69 and 4,950.70 is: 6,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.97 : 11,463.69 = 4,950.70 : x
  2. Step 2: Convert to fraction form
    8,307.97/11,463.69 = 4,950.70/x
  3. Step 3: Cross multiply
    8,307.97x = 11,463.69 × 4,950.70
  4. Step 4: Simplify right side
    8,307.97x = 56,753,290.08
  5. Step 5: Solve for x
    x = 56,753,290.08/8,307.97
  6. Step 6: Final answer
    x = 6,831.19

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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.