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Finding the Fourth Proportional to 50,750.01, 70,035.15 and 28,090.58

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Solution

The fourth proportional to 50,750.01, 70,035.15 and 28,090.58 is: 38,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,750.01 : 70,035.15 = 28,090.58 : x
  2. Step 2: Convert to fraction form
    50,750.01/70,035.15 = 28,090.58/x
  3. Step 3: Cross multiply
    50,750.01x = 70,035.15 × 28,090.58
  4. Step 4: Simplify right side
    50,750.01x = 1,967,327,633.71
  5. Step 5: Solve for x
    x = 1,967,327,633.71/50,750.01
  6. Step 6: Final answer
    x = 38,765.07

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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.