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Finding the Fourth Proportional to 30,473.00, 45,702.23 and 12,703.93

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Solution

The fourth proportional to 30,473.00, 45,702.23 and 12,703.93 is: 19,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.00 : 45,702.23 = 12,703.93 : x
  2. Step 2: Convert to fraction form
    30,473.00/45,702.23 = 12,703.93/x
  3. Step 3: Cross multiply
    30,473.00x = 45,702.23 × 12,703.93
  4. Step 4: Simplify right side
    30,473.00x = 580,597,688.72
  5. Step 5: Solve for x
    x = 580,597,688.72/30,473.00
  6. Step 6: Final answer
    x = 19,052.86

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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.