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Finding the Fourth Proportional to 58,276.92, 80,422.47 and 34,415.37

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Solution

The fourth proportional to 58,276.92, 80,422.47 and 34,415.37 is: 47,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,276.92 : 80,422.47 = 34,415.37 : x
  2. Step 2: Convert to fraction form
    58,276.92/80,422.47 = 34,415.37/x
  3. Step 3: Cross multiply
    58,276.92x = 80,422.47 × 34,415.37
  4. Step 4: Simplify right side
    58,276.92x = 2,767,769,061.36
  5. Step 5: Solve for x
    x = 2,767,769,061.36/58,276.92
  6. Step 6: Final answer
    x = 47,493.40

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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.