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Finding the Fourth Proportional to 34,220.88, 47,223.41 and 19,113.47

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Solution

The fourth proportional to 34,220.88, 47,223.41 and 19,113.47 is: 26,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.88 : 47,223.41 = 19,113.47 : x
  2. Step 2: Convert to fraction form
    34,220.88/47,223.41 = 19,113.47/x
  3. Step 3: Cross multiply
    34,220.88x = 47,223.41 × 19,113.47
  4. Step 4: Simplify right side
    34,220.88x = 902,603,075.74
  5. Step 5: Solve for x
    x = 902,603,075.74/34,220.88
  6. Step 6: Final answer
    x = 26,375.80

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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.