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Finding the Fourth Proportional to 12,703.04, 19,061.04 and 5,776.64

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Solution

The fourth proportional to 12,703.04, 19,061.04 and 5,776.64 is: 8,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.04 : 19,061.04 = 5,776.64 : x
  2. Step 2: Convert to fraction form
    12,703.04/19,061.04 = 5,776.64/x
  3. Step 3: Cross multiply
    12,703.04x = 19,061.04 × 5,776.64
  4. Step 4: Simplify right side
    12,703.04x = 110,108,766.11
  5. Step 5: Solve for x
    x = 110,108,766.11/12,703.04
  6. Step 6: Final answer
    x = 8,667.91

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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.