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Finding the Fourth Proportional to 50,509.81, 69,686.61 and 32,616.91

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Solution

The fourth proportional to 50,509.81, 69,686.61 and 32,616.91 is: 45,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,509.81 : 69,686.61 = 32,616.91 : x
  2. Step 2: Convert to fraction form
    50,509.81/69,686.61 = 32,616.91/x
  3. Step 3: Cross multiply
    50,509.81x = 69,686.61 × 32,616.91
  4. Step 4: Simplify right side
    50,509.81x = 2,272,961,538.14
  5. Step 5: Solve for x
    x = 2,272,961,538.14/50,509.81
  6. Step 6: Final answer
    x = 45,000.40

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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.