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Finding the Fourth Proportional to 16,888.32, 25,333.76 and 4,576

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Solution

The fourth proportional to 16,888.32, 25,333.76 and 4,576 is: 6,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,888.32 : 25,333.76 = 4,576 : x
  2. Step 2: Convert to fraction form
    16,888.32/25,333.76 = 4,576/x
  3. Step 3: Cross multiply
    16,888.32x = 25,333.76 × 4,576
  4. Step 4: Simplify right side
    16,888.32x = 115,927,285.76
  5. Step 5: Solve for x
    x = 115,927,285.76/16,888.32
  6. Step 6: Final answer
    x = 6,864.35

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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.