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Finding the Fourth Proportional to 50,482.76, 69,666.66 and 31,630.92

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Solution

The fourth proportional to 50,482.76, 69,666.66 and 31,630.92 is: 43,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,482.76 : 69,666.66 = 31,630.92 : x
  2. Step 2: Convert to fraction form
    50,482.76/69,666.66 = 31,630.92/x
  3. Step 3: Cross multiply
    50,482.76x = 69,666.66 × 31,630.92
  4. Step 4: Simplify right side
    50,482.76x = 2,203,620,549.13
  5. Step 5: Solve for x
    x = 2,203,620,549.13/50,482.76
  6. Step 6: Final answer
    x = 43,650.95

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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.