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Finding the Fourth Proportional to 50,473.83, 75,613.71 and 28,219.71

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Solution

The fourth proportional to 50,473.83, 75,613.71 and 28,219.71 is: 42,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,473.83 : 75,613.71 = 28,219.71 : x
  2. Step 2: Convert to fraction form
    50,473.83/75,613.71 = 28,219.71/x
  3. Step 3: Cross multiply
    50,473.83x = 75,613.71 × 28,219.71
  4. Step 4: Simplify right side
    50,473.83x = 2,133,796,968.22
  5. Step 5: Solve for x
    x = 2,133,796,968.22/50,473.83
  6. Step 6: Final answer
    x = 42,275.31

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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.