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Finding the Fourth Proportional to 58,657.62, 80,911.67 and 34,768.30

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Solution

The fourth proportional to 58,657.62, 80,911.67 and 34,768.30 is: 47,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,657.62 : 80,911.67 = 34,768.30 : x
  2. Step 2: Convert to fraction form
    58,657.62/80,911.67 = 34,768.30/x
  3. Step 3: Cross multiply
    58,657.62x = 80,911.67 × 34,768.30
  4. Step 4: Simplify right side
    58,657.62x = 2,813,161,216.06
  5. Step 5: Solve for x
    x = 2,813,161,216.06/58,657.62
  6. Step 6: Final answer
    x = 47,959.01

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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.