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Finding the Fourth Proportional to 50,178.72, 74,829.57 and 43,967.64

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Solution

The fourth proportional to 50,178.72, 74,829.57 and 43,967.64 is: 65,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,178.72 : 74,829.57 = 43,967.64 : x
  2. Step 2: Convert to fraction form
    50,178.72/74,829.57 = 43,967.64/x
  3. Step 3: Cross multiply
    50,178.72x = 74,829.57 × 43,967.64
  4. Step 4: Simplify right side
    50,178.72x = 3,290,079,595.11
  5. Step 5: Solve for x
    x = 3,290,079,595.11/50,178.72
  6. Step 6: Final answer
    x = 65,567.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.