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Finding the Fourth Proportional to 47,346.80, 70,890.80 and 46,092.11

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Solution

The fourth proportional to 47,346.80, 70,890.80 and 46,092.11 is: 69,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,346.80 : 70,890.80 = 46,092.11 : x
  2. Step 2: Convert to fraction form
    47,346.80/70,890.80 = 46,092.11/x
  3. Step 3: Cross multiply
    47,346.80x = 70,890.80 × 46,092.11
  4. Step 4: Simplify right side
    47,346.80x = 3,267,505,966.67
  5. Step 5: Solve for x
    x = 3,267,505,966.67/47,346.80
  6. Step 6: Final answer
    x = 69,012.19

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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.