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Finding the Fourth Proportional to 8,585.80, 11,848.83 and 4,808.97

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Solution

The fourth proportional to 8,585.80, 11,848.83 and 4,808.97 is: 6,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.80 : 11,848.83 = 4,808.97 : x
  2. Step 2: Convert to fraction form
    8,585.80/11,848.83 = 4,808.97/x
  3. Step 3: Cross multiply
    8,585.80x = 11,848.83 × 4,808.97
  4. Step 4: Simplify right side
    8,585.80x = 56,980,677.02
  5. Step 5: Solve for x
    x = 56,980,677.02/8,585.80
  6. Step 6: Final answer
    x = 6,636.62

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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.