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Finding the Fourth Proportional to 46,593.60, 69,890.40 and 15,424.80

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Solution

The fourth proportional to 46,593.60, 69,890.40 and 15,424.80 is: 23,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,593.60 : 69,890.40 = 15,424.80 : x
  2. Step 2: Convert to fraction form
    46,593.60/69,890.40 = 15,424.80/x
  3. Step 3: Cross multiply
    46,593.60x = 69,890.40 × 15,424.80
  4. Step 4: Simplify right side
    46,593.60x = 1,078,045,441.92
  5. Step 5: Solve for x
    x = 1,078,045,441.92/46,593.60
  6. Step 6: Final answer
    x = 23,137.20

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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.