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Finding the Fourth Proportional to 40,647.42, 60,971.64 and 14,333.71

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Solution

The fourth proportional to 40,647.42, 60,971.64 and 14,333.71 is: 21,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,647.42 : 60,971.64 = 14,333.71 : x
  2. Step 2: Convert to fraction form
    40,647.42/60,971.64 = 14,333.71/x
  3. Step 3: Cross multiply
    40,647.42x = 60,971.64 × 14,333.71
  4. Step 4: Simplify right side
    40,647.42x = 873,949,805.98
  5. Step 5: Solve for x
    x = 873,949,805.98/40,647.42
  6. Step 6: Final answer
    x = 21,500.74

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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.