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Finding the Fourth Proportional to 16,509, 24,763.50 and 4,822.32

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Solution

The fourth proportional to 16,509, 24,763.50 and 4,822.32 is: 7,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,509 : 24,763.50 = 4,822.32 : x
  2. Step 2: Convert to fraction form
    16,509/24,763.50 = 4,822.32/x
  3. Step 3: Cross multiply
    16,509x = 24,763.50 × 4,822.32
  4. Step 4: Simplify right side
    16,509x = 119,417,521.32
  5. Step 5: Solve for x
    x = 119,417,521.32/16,509
  6. Step 6: Final answer
    x = 7,233.48

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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.