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Finding the Fourth Proportional to 35,313.96, 48,724.56 and 20,000.88

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Solution

The fourth proportional to 35,313.96, 48,724.56 and 20,000.88 is: 27,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.96 : 48,724.56 = 20,000.88 : x
  2. Step 2: Convert to fraction form
    35,313.96/48,724.56 = 20,000.88/x
  3. Step 3: Cross multiply
    35,313.96x = 48,724.56 × 20,000.88
  4. Step 4: Simplify right side
    35,313.96x = 974,534,077.61
  5. Step 5: Solve for x
    x = 974,534,077.61/35,313.96
  6. Step 6: Final answer
    x = 27,596.28

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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.