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Finding the Fourth Proportional to 50,879.52, 70,206.48 and 29,668.32

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Solution

The fourth proportional to 50,879.52, 70,206.48 and 29,668.32 is: 40,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,879.52 : 70,206.48 = 29,668.32 : x
  2. Step 2: Convert to fraction form
    50,879.52/70,206.48 = 29,668.32/x
  3. Step 3: Cross multiply
    50,879.52x = 70,206.48 × 29,668.32
  4. Step 4: Simplify right side
    50,879.52x = 2,082,908,314.71
  5. Step 5: Solve for x
    x = 2,082,908,314.71/50,879.52
  6. Step 6: Final answer
    x = 40,938.05

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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.