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Finding the Fourth Proportional to 58,079.93, 87,120.30 and 23,019.49

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Solution

The fourth proportional to 58,079.93, 87,120.30 and 23,019.49 is: 34,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,079.93 : 87,120.30 = 23,019.49 : x
  2. Step 2: Convert to fraction form
    58,079.93/87,120.30 = 23,019.49/x
  3. Step 3: Cross multiply
    58,079.93x = 87,120.30 × 23,019.49
  4. Step 4: Simplify right side
    58,079.93x = 2,005,464,439.05
  5. Step 5: Solve for x
    x = 2,005,464,439.05/58,079.93
  6. Step 6: Final answer
    x = 34,529.39

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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.