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Finding the Fourth Proportional to 75,493.40, 113,239.70 and 19,333.40

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Solution

The fourth proportional to 75,493.40, 113,239.70 and 19,333.40 is: 29,000.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,493.40 : 113,239.70 = 19,333.40 : x
  2. Step 2: Convert to fraction form
    75,493.40/113,239.70 = 19,333.40/x
  3. Step 3: Cross multiply
    75,493.40x = 113,239.70 × 19,333.40
  4. Step 4: Simplify right side
    75,493.40x = 2,189,308,415.98
  5. Step 5: Solve for x
    x = 2,189,308,415.98/75,493.40
  6. Step 6: Final answer
    x = 29,000.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.