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Finding the Fourth Proportional to 60,022.48, 90,024.48 and 20,570.56

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Solution

The fourth proportional to 60,022.48, 90,024.48 and 20,570.56 is: 30,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,022.48 : 90,024.48 = 20,570.56 : x
  2. Step 2: Convert to fraction form
    60,022.48/90,024.48 = 20,570.56/x
  3. Step 3: Cross multiply
    60,022.48x = 90,024.48 × 20,570.56
  4. Step 4: Simplify right side
    60,022.48x = 1,851,853,967.31
  5. Step 5: Solve for x
    x = 1,851,853,967.31/60,022.48
  6. Step 6: Final answer
    x = 30,852.67

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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.