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Finding the Fourth Proportional to 50,776.70, 70,070.72 and 28,114.34

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Solution

The fourth proportional to 50,776.70, 70,070.72 and 28,114.34 is: 38,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,776.70 : 70,070.72 = 28,114.34 : x
  2. Step 2: Convert to fraction form
    50,776.70/70,070.72 = 28,114.34/x
  3. Step 3: Cross multiply
    50,776.70x = 70,070.72 × 28,114.34
  4. Step 4: Simplify right side
    50,776.70x = 1,969,991,555.20
  5. Step 5: Solve for x
    x = 1,969,991,555.20/50,776.70
  6. Step 6: Final answer
    x = 38,797.16

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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.