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Finding the Fourth Proportional to 57,980.54, 80,174.20 and 46,023.12

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Solution

The fourth proportional to 57,980.54, 80,174.20 and 46,023.12 is: 63,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,980.54 : 80,174.20 = 46,023.12 : x
  2. Step 2: Convert to fraction form
    57,980.54/80,174.20 = 46,023.12/x
  3. Step 3: Cross multiply
    57,980.54x = 80,174.20 × 46,023.12
  4. Step 4: Simplify right side
    57,980.54x = 3,689,866,827.50
  5. Step 5: Solve for x
    x = 3,689,866,827.50/57,980.54
  6. Step 6: Final answer
    x = 63,639.75

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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.