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Finding the Fourth Proportional to 35,300.88, 52,948.80 and 20,500.56

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Solution

The fourth proportional to 35,300.88, 52,948.80 and 20,500.56 is: 30,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,300.88 : 52,948.80 = 20,500.56 : x
  2. Step 2: Convert to fraction form
    35,300.88/52,948.80 = 20,500.56/x
  3. Step 3: Cross multiply
    35,300.88x = 52,948.80 × 20,500.56
  4. Step 4: Simplify right side
    35,300.88x = 1,085,480,051.33
  5. Step 5: Solve for x
    x = 1,085,480,051.33/35,300.88
  6. Step 6: Final answer
    x = 30,749.38

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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.