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Finding the Fourth Proportional to 8,858.66, 13,283.19 and 4,406.58

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Solution

The fourth proportional to 8,858.66, 13,283.19 and 4,406.58 is: 6,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.66 : 13,283.19 = 4,406.58 : x
  2. Step 2: Convert to fraction form
    8,858.66/13,283.19 = 4,406.58/x
  3. Step 3: Cross multiply
    8,858.66x = 13,283.19 × 4,406.58
  4. Step 4: Simplify right side
    8,858.66x = 58,533,439.39
  5. Step 5: Solve for x
    x = 58,533,439.39/8,858.66
  6. Step 6: Final answer
    x = 6,607.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.