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Finding the Fourth Proportional to 35,007.26, 52,510.79 and 8,712

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Solution

The fourth proportional to 35,007.26, 52,510.79 and 8,712 is: 13,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,007.26 : 52,510.79 = 8,712 : x
  2. Step 2: Convert to fraction form
    35,007.26/52,510.79 = 8,712/x
  3. Step 3: Cross multiply
    35,007.26x = 52,510.79 × 8,712
  4. Step 4: Simplify right side
    35,007.26x = 457,474,024.26
  5. Step 5: Solve for x
    x = 457,474,024.26/35,007.26
  6. Step 6: Final answer
    x = 13,067.98

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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.