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Finding the Fourth Proportional to 53,871.84, 74,337.84 and 29,997.60

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Solution

The fourth proportional to 53,871.84, 74,337.84 and 29,997.60 is: 41,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871.84 : 74,337.84 = 29,997.60 : x
  2. Step 2: Convert to fraction form
    53,871.84/74,337.84 = 29,997.60/x
  3. Step 3: Cross multiply
    53,871.84x = 74,337.84 × 29,997.60
  4. Step 4: Simplify right side
    53,871.84x = 2,229,956,789.18
  5. Step 5: Solve for x
    x = 2,229,956,789.18/53,871.84
  6. Step 6: Final answer
    x = 41,393.74

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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.