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Finding the Fourth Proportional to 34,130.96, 51,048.48 and 20,057.48

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Solution

The fourth proportional to 34,130.96, 51,048.48 and 20,057.48 is: 29,999.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,130.96 : 51,048.48 = 20,057.48 : x
  2. Step 2: Convert to fraction form
    34,130.96/51,048.48 = 20,057.48/x
  3. Step 3: Cross multiply
    34,130.96x = 51,048.48 × 20,057.48
  4. Step 4: Simplify right side
    34,130.96x = 1,023,903,866.63
  5. Step 5: Solve for x
    x = 1,023,903,866.63/34,130.96
  6. Step 6: Final answer
    x = 29,999.27

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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.