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Finding the Fourth Proportional to 46,616.76, 69,434.24 and 45,644.76

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Solution

The fourth proportional to 46,616.76, 69,434.24 and 45,644.76 is: 67,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,616.76 : 69,434.24 = 45,644.76 : x
  2. Step 2: Convert to fraction form
    46,616.76/69,434.24 = 45,644.76/x
  3. Step 3: Cross multiply
    46,616.76x = 69,434.24 × 45,644.76
  4. Step 4: Simplify right side
    46,616.76x = 3,169,308,992.36
  5. Step 5: Solve for x
    x = 3,169,308,992.36/46,616.76
  6. Step 6: Final answer
    x = 67,986.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.