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Finding the Fourth Proportional to 46,658.94, 64,377.79 and 28,504.99

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Solution

The fourth proportional to 46,658.94, 64,377.79 and 28,504.99 is: 39,329.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,658.94 : 64,377.79 = 28,504.99 : x
  2. Step 2: Convert to fraction form
    46,658.94/64,377.79 = 28,504.99/x
  3. Step 3: Cross multiply
    46,658.94x = 64,377.79 × 28,504.99
  4. Step 4: Simplify right side
    46,658.94x = 1,835,088,260.17
  5. Step 5: Solve for x
    x = 1,835,088,260.17/46,658.94
  6. Step 6: Final answer
    x = 39,329.83

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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.