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Finding the Fourth Proportional to 50,941.88, 70,297.96 and 28,281.88

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Solution

The fourth proportional to 50,941.88, 70,297.96 and 28,281.88 is: 39,027.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,941.88 : 70,297.96 = 28,281.88 : x
  2. Step 2: Convert to fraction form
    50,941.88/70,297.96 = 28,281.88/x
  3. Step 3: Cross multiply
    50,941.88x = 70,297.96 × 28,281.88
  4. Step 4: Simplify right side
    50,941.88x = 1,988,158,468.96
  5. Step 5: Solve for x
    x = 1,988,158,468.96/50,941.88
  6. Step 6: Final answer
    x = 39,027.98

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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.