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Finding the Fourth Proportional to 58,273.54, 80,415.50 and 32,780.40

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Solution

The fourth proportional to 58,273.54, 80,415.50 and 32,780.40 is: 45,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,273.54 : 80,415.50 = 32,780.40 : x
  2. Step 2: Convert to fraction form
    58,273.54/80,415.50 = 32,780.40/x
  3. Step 3: Cross multiply
    58,273.54x = 80,415.50 × 32,780.40
  4. Step 4: Simplify right side
    58,273.54x = 2,636,052,256.20
  5. Step 5: Solve for x
    x = 2,636,052,256.20/58,273.54
  6. Step 6: Final answer
    x = 45,235.84

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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.