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Finding the Fourth Proportional to 56,636.25, 84,958.13 and 16,658.81

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Solution

The fourth proportional to 56,636.25, 84,958.13 and 16,658.81 is: 24,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,636.25 : 84,958.13 = 16,658.81 : x
  2. Step 2: Convert to fraction form
    56,636.25/84,958.13 = 16,658.81/x
  3. Step 3: Cross multiply
    56,636.25x = 84,958.13 × 16,658.81
  4. Step 4: Simplify right side
    56,636.25x = 1,415,301,319.73
  5. Step 5: Solve for x
    x = 1,415,301,319.73/56,636.25
  6. Step 6: Final answer
    x = 24,989.32

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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.