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Finding the Fourth Proportional to 35,704.01, 49,270.77 and 19,788.32

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Solution

The fourth proportional to 35,704.01, 49,270.77 and 19,788.32 is: 27,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,704.01 : 49,270.77 = 19,788.32 : x
  2. Step 2: Convert to fraction form
    35,704.01/49,270.77 = 19,788.32/x
  3. Step 3: Cross multiply
    35,704.01x = 49,270.77 × 19,788.32
  4. Step 4: Simplify right side
    35,704.01x = 974,985,517.05
  5. Step 5: Solve for x
    x = 974,985,517.05/35,704.01
  6. Step 6: Final answer
    x = 27,307.46

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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.