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Finding the Fourth Proportional to 50,755.68, 70,041.06 and 28,094.72

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Solution

The fourth proportional to 50,755.68, 70,041.06 and 28,094.72 is: 38,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,755.68 : 70,041.06 = 28,094.72 : x
  2. Step 2: Convert to fraction form
    50,755.68/70,041.06 = 28,094.72/x
  3. Step 3: Cross multiply
    50,755.68x = 70,041.06 × 28,094.72
  4. Step 4: Simplify right side
    50,755.68x = 1,967,783,619.00
  5. Step 5: Solve for x
    x = 1,967,783,619.00/50,755.68
  6. Step 6: Final answer
    x = 38,769.72

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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.