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Finding the Fourth Proportional to 13,762.87, 19,000.62 and 9,060.82

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Solution

The fourth proportional to 13,762.87, 19,000.62 and 9,060.82 is: 12,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.87 : 19,000.62 = 9,060.82 : x
  2. Step 2: Convert to fraction form
    13,762.87/19,000.62 = 9,060.82/x
  3. Step 3: Cross multiply
    13,762.87x = 19,000.62 × 9,060.82
  4. Step 4: Simplify right side
    13,762.87x = 172,161,197.71
  5. Step 5: Solve for x
    x = 172,161,197.71/13,762.87
  6. Step 6: Final answer
    x = 12,509.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.