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Finding the Fourth Proportional to 8,585.80, 11,848.76 and 4,808.87

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Solution

The fourth proportional to 8,585.80, 11,848.76 and 4,808.87 is: 6,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.80 : 11,848.76 = 4,808.87 : x
  2. Step 2: Convert to fraction form
    8,585.80/11,848.76 = 4,808.87/x
  3. Step 3: Cross multiply
    8,585.80x = 11,848.76 × 4,808.87
  4. Step 4: Simplify right side
    8,585.80x = 56,979,152.73
  5. Step 5: Solve for x
    x = 56,979,152.73/8,585.80
  6. Step 6: Final answer
    x = 6,636.44

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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.