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Finding the Fourth Proportional to 46,285.50, 69,431.49 and 18,583.50

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Solution

The fourth proportional to 46,285.50, 69,431.49 and 18,583.50 is: 27,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,285.50 : 69,431.49 = 18,583.50 : x
  2. Step 2: Convert to fraction form
    46,285.50/69,431.49 = 18,583.50/x
  3. Step 3: Cross multiply
    46,285.50x = 69,431.49 × 18,583.50
  4. Step 4: Simplify right side
    46,285.50x = 1,290,280,094.42
  5. Step 5: Solve for x
    x = 1,290,280,094.42/46,285.50
  6. Step 6: Final answer
    x = 27,876.55

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1.5x scale

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.