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Finding the Fourth Proportional to 48,695.25, 72,613.25 and 46,960.68

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Solution

The fourth proportional to 48,695.25, 72,613.25 and 46,960.68 is: 70,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,695.25 : 72,613.25 = 46,960.68 : x
  2. Step 2: Convert to fraction form
    48,695.25/72,613.25 = 46,960.68/x
  3. Step 3: Cross multiply
    48,695.25x = 72,613.25 × 46,960.68
  4. Step 4: Simplify right side
    48,695.25x = 3,409,967,362.21
  5. Step 5: Solve for x
    x = 3,409,967,362.21/48,695.25
  6. Step 6: Final answer
    x = 70,026.69

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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.