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Finding the Fourth Proportional to 16,994.30, 25,495.08 and 7,127.89

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Solution

The fourth proportional to 16,994.30, 25,495.08 and 7,127.89 is: 10,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,994.30 : 25,495.08 = 7,127.89 : x
  2. Step 2: Convert to fraction form
    16,994.30/25,495.08 = 7,127.89/x
  3. Step 3: Cross multiply
    16,994.30x = 25,495.08 × 7,127.89
  4. Step 4: Simplify right side
    16,994.30x = 181,726,088.77
  5. Step 5: Solve for x
    x = 181,726,088.77/16,994.30
  6. Step 6: Final answer
    x = 10,693.36

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1.5x scale

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.