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Finding the Fourth Proportional to 50,416, 69,574.08 and 28,059.52

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Solution

The fourth proportional to 50,416, 69,574.08 and 28,059.52 is: 38,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,416 : 69,574.08 = 28,059.52 : x
  2. Step 2: Convert to fraction form
    50,416/69,574.08 = 28,059.52/x
  3. Step 3: Cross multiply
    50,416x = 69,574.08 × 28,059.52
  4. Step 4: Simplify right side
    50,416x = 1,952,215,289.24
  5. Step 5: Solve for x
    x = 1,952,215,289.24/50,416
  6. Step 6: Final answer
    x = 38,722.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.