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Finding the Fourth Proportional to 53,480.70, 73,803.96 and 29,607.78

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Solution

The fourth proportional to 53,480.70, 73,803.96 and 29,607.78 is: 40,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,480.70 : 73,803.96 = 29,607.78 : x
  2. Step 2: Convert to fraction form
    53,480.70/73,803.96 = 29,607.78/x
  3. Step 3: Cross multiply
    53,480.70x = 73,803.96 × 29,607.78
  4. Step 4: Simplify right side
    53,480.70x = 2,185,171,410.81
  5. Step 5: Solve for x
    x = 2,185,171,410.81/53,480.70
  6. Step 6: Final answer
    x = 40,859.07

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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.