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Finding the Fourth Proportional to 58,098.63, 80,149.47 and 34,213.86

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Solution

The fourth proportional to 58,098.63, 80,149.47 and 34,213.86 is: 47,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,098.63 : 80,149.47 = 34,213.86 : x
  2. Step 2: Convert to fraction form
    58,098.63/80,149.47 = 34,213.86/x
  3. Step 3: Cross multiply
    58,098.63x = 80,149.47 × 34,213.86
  4. Step 4: Simplify right side
    58,098.63x = 2,742,222,745.65
  5. Step 5: Solve for x
    x = 2,742,222,745.65/58,098.63
  6. Step 6: Final answer
    x = 47,199.44

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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.