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Finding the Fourth Proportional to 58,551.76, 80,801.45 and 34,680.05

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Solution

The fourth proportional to 58,551.76, 80,801.45 and 34,680.05 is: 47,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,551.76 : 80,801.45 = 34,680.05 : x
  2. Step 2: Convert to fraction form
    58,551.76/80,801.45 = 34,680.05/x
  3. Step 3: Cross multiply
    58,551.76x = 80,801.45 × 34,680.05
  4. Step 4: Simplify right side
    58,551.76x = 2,802,198,181.72
  5. Step 5: Solve for x
    x = 2,802,198,181.72/58,551.76
  6. Step 6: Final answer
    x = 47,858.48

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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.