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Finding the Fourth Proportional to 30,703.01, 46,054.52 and 8,516.39

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Solution

The fourth proportional to 30,703.01, 46,054.52 and 8,516.39 is: 12,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.01 : 46,054.52 = 8,516.39 : x
  2. Step 2: Convert to fraction form
    30,703.01/46,054.52 = 8,516.39/x
  3. Step 3: Cross multiply
    30,703.01x = 46,054.52 × 8,516.39
  4. Step 4: Simplify right side
    30,703.01x = 392,218,220.34
  5. Step 5: Solve for x
    x = 392,218,220.34/30,703.01
  6. Step 6: Final answer
    x = 12,774.58

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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.