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Finding the Fourth Proportional to 40,567.41, 60,844.10 and 10,978.34

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Solution

The fourth proportional to 40,567.41, 60,844.10 and 10,978.34 is: 16,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,567.41 : 60,844.10 = 10,978.34 : x
  2. Step 2: Convert to fraction form
    40,567.41/60,844.10 = 10,978.34/x
  3. Step 3: Cross multiply
    40,567.41x = 60,844.10 × 10,978.34
  4. Step 4: Simplify right side
    40,567.41x = 667,966,857.68
  5. Step 5: Solve for x
    x = 667,966,857.68/40,567.41
  6. Step 6: Final answer
    x = 16,465.60

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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.