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Finding the Fourth Proportional to 46,940.50, 70,410.75 and 15,775.75

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Solution

The fourth proportional to 46,940.50, 70,410.75 and 15,775.75 is: 23,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,940.50 : 70,410.75 = 15,775.75 : x
  2. Step 2: Convert to fraction form
    46,940.50/70,410.75 = 15,775.75/x
  3. Step 3: Cross multiply
    46,940.50x = 70,410.75 × 15,775.75
  4. Step 4: Simplify right side
    46,940.50x = 1,110,782,389.31
  5. Step 5: Solve for x
    x = 1,110,782,389.31/46,940.50
  6. Step 6: Final answer
    x = 23,663.63

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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.