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Finding the Fourth Proportional to 52,929.52, 79,393.47 and 17,893.78

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Solution

The fourth proportional to 52,929.52, 79,393.47 and 17,893.78 is: 26,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,929.52 : 79,393.47 = 17,893.78 : x
  2. Step 2: Convert to fraction form
    52,929.52/79,393.47 = 17,893.78/x
  3. Step 3: Cross multiply
    52,929.52x = 79,393.47 × 17,893.78
  4. Step 4: Simplify right side
    52,929.52x = 1,420,649,285.62
  5. Step 5: Solve for x
    x = 1,420,649,285.62/52,929.52
  6. Step 6: Final answer
    x = 26,840.40

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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.