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Finding the Fourth Proportional to 53,484.70, 73,809.48 and 29,611.78

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Solution

The fourth proportional to 53,484.70, 73,809.48 and 29,611.78 is: 40,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,484.70 : 73,809.48 = 29,611.78 : x
  2. Step 2: Convert to fraction form
    53,484.70/73,809.48 = 29,611.78/x
  3. Step 3: Cross multiply
    53,484.70x = 73,809.48 × 29,611.78
  4. Step 4: Simplify right side
    53,484.70x = 2,185,630,083.67
  5. Step 5: Solve for x
    x = 2,185,630,083.67/53,484.70
  6. Step 6: Final answer
    x = 40,864.59

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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.