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Finding the Fourth Proportional to 16,955, 25,432.68 and 4,643

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Solution

The fourth proportional to 16,955, 25,432.68 and 4,643 is: 6,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955 : 25,432.68 = 4,643 : x
  2. Step 2: Convert to fraction form
    16,955/25,432.68 = 4,643/x
  3. Step 3: Cross multiply
    16,955x = 25,432.68 × 4,643
  4. Step 4: Simplify right side
    16,955x = 118,083,933.24
  5. Step 5: Solve for x
    x = 118,083,933.24/16,955
  6. Step 6: Final answer
    x = 6,964.55

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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.