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Finding the Fourth Proportional to 16,740.88, 25,111.44 and 7,734.16

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Solution

The fourth proportional to 16,740.88, 25,111.44 and 7,734.16 is: 11,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.88 : 25,111.44 = 7,734.16 : x
  2. Step 2: Convert to fraction form
    16,740.88/25,111.44 = 7,734.16/x
  3. Step 3: Cross multiply
    16,740.88x = 25,111.44 × 7,734.16
  4. Step 4: Simplify right side
    16,740.88x = 194,215,894.79
  5. Step 5: Solve for x
    x = 194,215,894.79/16,740.88
  6. Step 6: Final answer
    x = 11,601.30

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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.