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Finding the Fourth Proportional to 58,019.60, 86,914.20 and 34,576.40

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Solution

The fourth proportional to 58,019.60, 86,914.20 and 34,576.40 is: 51,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,019.60 : 86,914.20 = 34,576.40 : x
  2. Step 2: Convert to fraction form
    58,019.60/86,914.20 = 34,576.40/x
  3. Step 3: Cross multiply
    58,019.60x = 86,914.20 × 34,576.40
  4. Step 4: Simplify right side
    58,019.60x = 3,005,180,144.88
  5. Step 5: Solve for x
    x = 3,005,180,144.88/58,019.60
  6. Step 6: Final answer
    x = 51,795.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.