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Finding the Fourth Proportional to 8,303.00, 11,459.61 and 4,947.75

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Solution

The fourth proportional to 8,303.00, 11,459.61 and 4,947.75 is: 6,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.00 : 11,459.61 = 4,947.75 : x
  2. Step 2: Convert to fraction form
    8,303.00/11,459.61 = 4,947.75/x
  3. Step 3: Cross multiply
    8,303.00x = 11,459.61 × 4,947.75
  4. Step 4: Simplify right side
    8,303.00x = 56,699,285.38
  5. Step 5: Solve for x
    x = 56,699,285.38/8,303.00
  6. Step 6: Final answer
    x = 6,828.78

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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.