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Finding the Fourth Proportional to 54,774.80, 75,588.79 and 29,624.30

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Solution

The fourth proportional to 54,774.80, 75,588.79 and 29,624.30 is: 40,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,774.80 : 75,588.79 = 29,624.30 : x
  2. Step 2: Convert to fraction form
    54,774.80/75,588.79 = 29,624.30/x
  3. Step 3: Cross multiply
    54,774.80x = 75,588.79 × 29,624.30
  4. Step 4: Simplify right side
    54,774.80x = 2,239,264,991.60
  5. Step 5: Solve for x
    x = 2,239,264,991.60/54,774.80
  6. Step 6: Final answer
    x = 40,881.30

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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.