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Finding the Fourth Proportional to 35,712.80, 50,101.60 and 35,712.80

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Solution

The fourth proportional to 35,712.80, 50,101.60 and 35,712.80 is: 50,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712.80 : 50,101.60 = 35,712.80 : x
  2. Step 2: Convert to fraction form
    35,712.80/50,101.60 = 35,712.80/x
  3. Step 3: Cross multiply
    35,712.80x = 50,101.60 × 35,712.80
  4. Step 4: Simplify right side
    35,712.80x = 1,789,268,420.48
  5. Step 5: Solve for x
    x = 1,789,268,420.48/35,712.80
  6. Step 6: Final answer
    x = 50,101.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.