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Finding the Fourth Proportional to 65,794.83, 90,739.47 and 46,636.71

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Solution

The fourth proportional to 65,794.83, 90,739.47 and 46,636.71 is: 64,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,794.83 : 90,739.47 = 46,636.71 : x
  2. Step 2: Convert to fraction form
    65,794.83/90,739.47 = 46,636.71/x
  3. Step 3: Cross multiply
    65,794.83x = 90,739.47 × 46,636.71
  4. Step 4: Simplify right side
    65,794.83x = 4,231,790,347.94
  5. Step 5: Solve for x
    x = 4,231,790,347.94/65,794.83
  6. Step 6: Final answer
    x = 64,317.98

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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.