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Finding the Fourth Proportional to 18,172.58, 27,269.58 and 9,852.39

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Solution

The fourth proportional to 18,172.58, 27,269.58 and 9,852.39 is: 14,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.58 : 27,269.58 = 9,852.39 : x
  2. Step 2: Convert to fraction form
    18,172.58/27,269.58 = 9,852.39/x
  3. Step 3: Cross multiply
    18,172.58x = 27,269.58 × 9,852.39
  4. Step 4: Simplify right side
    18,172.58x = 268,670,537.30
  5. Step 5: Solve for x
    x = 268,670,537.30/18,172.58
  6. Step 6: Final answer
    x = 14,784.40

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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.