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Finding the Fourth Proportional to 17,071.60, 25,607.42 and 8,298.98

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Solution

The fourth proportional to 17,071.60, 25,607.42 and 8,298.98 is: 12,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.60 : 25,607.42 = 8,298.98 : x
  2. Step 2: Convert to fraction form
    17,071.60/25,607.42 = 8,298.98/x
  3. Step 3: Cross multiply
    17,071.60x = 25,607.42 × 8,298.98
  4. Step 4: Simplify right side
    17,071.60x = 212,515,466.43
  5. Step 5: Solve for x
    x = 212,515,466.43/17,071.60
  6. Step 6: Final answer
    x = 12,448.48

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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.