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Finding the Fourth Proportional to 34,048.50, 46,986.93 and 19,144.50

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Solution

The fourth proportional to 34,048.50, 46,986.93 and 19,144.50 is: 26,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,048.50 : 46,986.93 = 19,144.50 : x
  2. Step 2: Convert to fraction form
    34,048.50/46,986.93 = 19,144.50/x
  3. Step 3: Cross multiply
    34,048.50x = 46,986.93 × 19,144.50
  4. Step 4: Simplify right side
    34,048.50x = 899,541,281.39
  5. Step 5: Solve for x
    x = 899,541,281.39/34,048.50
  6. Step 6: Final answer
    x = 26,419.41

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1.5x scale

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.