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Finding the Fourth Proportional to 50,698.88, 76,028.88 and 35,069.12

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Solution

The fourth proportional to 50,698.88, 76,028.88 and 35,069.12 is: 52,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,698.88 : 76,028.88 = 35,069.12 : x
  2. Step 2: Convert to fraction form
    50,698.88/76,028.88 = 35,069.12/x
  3. Step 3: Cross multiply
    50,698.88x = 76,028.88 × 35,069.12
  4. Step 4: Simplify right side
    50,698.88x = 2,666,265,916.19
  5. Step 5: Solve for x
    x = 2,666,265,916.19/50,698.88
  6. Step 6: Final answer
    x = 52,590.23

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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.