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Finding the Fourth Proportional to 35,174.98, 52,763.15 and 12,976.93

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Solution

The fourth proportional to 35,174.98, 52,763.15 and 12,976.93 is: 19,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,174.98 : 52,763.15 = 12,976.93 : x
  2. Step 2: Convert to fraction form
    35,174.98/52,763.15 = 12,976.93/x
  3. Step 3: Cross multiply
    35,174.98x = 52,763.15 × 12,976.93
  4. Step 4: Simplify right side
    35,174.98x = 684,703,639.24
  5. Step 5: Solve for x
    x = 684,703,639.24/35,174.98
  6. Step 6: Final answer
    x = 19,465.64

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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.