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Finding the Fourth Proportional to 57,030.56, 85,560.42 and 23,739.56

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Solution

The fourth proportional to 57,030.56, 85,560.42 and 23,739.56 is: 35,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,030.56 : 85,560.42 = 23,739.56 : x
  2. Step 2: Convert to fraction form
    57,030.56/85,560.42 = 23,739.56/x
  3. Step 3: Cross multiply
    57,030.56x = 85,560.42 × 23,739.56
  4. Step 4: Simplify right side
    57,030.56x = 2,031,166,296.41
  5. Step 5: Solve for x
    x = 2,031,166,296.41/57,030.56
  6. Step 6: Final answer
    x = 35,615.40

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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.