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Finding the Fourth Proportional to 35,896.43, 53,848.32 and 13,728.45

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Solution

The fourth proportional to 35,896.43, 53,848.32 and 13,728.45 is: 20,594.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,896.43 : 53,848.32 = 13,728.45 : x
  2. Step 2: Convert to fraction form
    35,896.43/53,848.32 = 13,728.45/x
  3. Step 3: Cross multiply
    35,896.43x = 53,848.32 × 13,728.45
  4. Step 4: Simplify right side
    35,896.43x = 739,253,968.70
  5. Step 5: Solve for x
    x = 739,253,968.70/35,896.43
  6. Step 6: Final answer
    x = 20,594.08

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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.