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Finding the Fourth Proportional to 35,134.48, 48,487.02 and 20,029.48

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Solution

The fourth proportional to 35,134.48, 48,487.02 and 20,029.48 is: 27,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,134.48 : 48,487.02 = 20,029.48 : x
  2. Step 2: Convert to fraction form
    35,134.48/48,487.02 = 20,029.48/x
  3. Step 3: Cross multiply
    35,134.48x = 48,487.02 × 20,029.48
  4. Step 4: Simplify right side
    35,134.48x = 971,169,797.35
  5. Step 5: Solve for x
    x = 971,169,797.35/35,134.48
  6. Step 6: Final answer
    x = 27,641.50

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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.