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Finding the Fourth Proportional to 37,622.98, 51,918.98 and 20,627.26

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Solution

The fourth proportional to 37,622.98, 51,918.98 and 20,627.26 is: 28,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,622.98 : 51,918.98 = 20,627.26 : x
  2. Step 2: Convert to fraction form
    37,622.98/51,918.98 = 20,627.26/x
  3. Step 3: Cross multiply
    37,622.98x = 51,918.98 × 20,627.26
  4. Step 4: Simplify right side
    37,622.98x = 1,070,946,066.46
  5. Step 5: Solve for x
    x = 1,070,946,066.46/37,622.98
  6. Step 6: Final answer
    x = 28,465.21

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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.