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Finding the Fourth Proportional to 46,912.65, 70,194.02 and 46,387.77

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Solution

The fourth proportional to 46,912.65, 70,194.02 and 46,387.77 is: 69,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,912.65 : 70,194.02 = 46,387.77 : x
  2. Step 2: Convert to fraction form
    46,912.65/70,194.02 = 46,387.77/x
  3. Step 3: Cross multiply
    46,912.65x = 70,194.02 × 46,387.77
  4. Step 4: Simplify right side
    46,912.65x = 3,256,143,823.20
  5. Step 5: Solve for x
    x = 3,256,143,823.20/46,912.65
  6. Step 6: Final answer
    x = 69,408.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.