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Finding the Fourth Proportional to 50,461.77, 75,694.73 and 18,868.63

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Solution

The fourth proportional to 50,461.77, 75,694.73 and 18,868.63 is: 28,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,461.77 : 75,694.73 = 18,868.63 : x
  2. Step 2: Convert to fraction form
    50,461.77/75,694.73 = 18,868.63/x
  3. Step 3: Cross multiply
    50,461.77x = 75,694.73 × 18,868.63
  4. Step 4: Simplify right side
    50,461.77x = 1,428,255,853.32
  5. Step 5: Solve for x
    x = 1,428,255,853.32/50,461.77
  6. Step 6: Final answer
    x = 28,303.72

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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.