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Finding the Fourth Proportional to 58,019.84, 80,047.68 and 34,138.88

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Solution

The fourth proportional to 58,019.84, 80,047.68 and 34,138.88 is: 47,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,019.84 : 80,047.68 = 34,138.88 : x
  2. Step 2: Convert to fraction form
    58,019.84/80,047.68 = 34,138.88/x
  3. Step 3: Cross multiply
    58,019.84x = 80,047.68 × 34,138.88
  4. Step 4: Simplify right side
    58,019.84x = 2,732,738,141.80
  5. Step 5: Solve for x
    x = 2,732,738,141.80/58,019.84
  6. Step 6: Final answer
    x = 47,100.06

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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.