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Finding the Fourth Proportional to 16,703, 25,055.98 and 4,391

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Solution

The fourth proportional to 16,703, 25,055.98 and 4,391 is: 6,586.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,703 : 25,055.98 = 4,391 : x
  2. Step 2: Convert to fraction form
    16,703/25,055.98 = 4,391/x
  3. Step 3: Cross multiply
    16,703x = 25,055.98 × 4,391
  4. Step 4: Simplify right side
    16,703x = 110,020,808.18
  5. Step 5: Solve for x
    x = 110,020,808.18/16,703
  6. Step 6: Final answer
    x = 6,586.89

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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.