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Finding the Fourth Proportional to 52,703.28, 79,052.94 and 13,259.88

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Solution

The fourth proportional to 52,703.28, 79,052.94 and 13,259.88 is: 19,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,703.28 : 79,052.94 = 13,259.88 : x
  2. Step 2: Convert to fraction form
    52,703.28/79,052.94 = 13,259.88/x
  3. Step 3: Cross multiply
    52,703.28x = 79,052.94 × 13,259.88
  4. Step 4: Simplify right side
    52,703.28x = 1,048,232,498.05
  5. Step 5: Solve for x
    x = 1,048,232,498.05/52,703.28
  6. Step 6: Final answer
    x = 19,889.32

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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.