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Finding the Fourth Proportional to 16,957.76, 25,436.36 and 4,645.76

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Solution

The fourth proportional to 16,957.76, 25,436.36 and 4,645.76 is: 6,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.76 : 25,436.36 = 4,645.76 : x
  2. Step 2: Convert to fraction form
    16,957.76/25,436.36 = 4,645.76/x
  3. Step 3: Cross multiply
    16,957.76x = 25,436.36 × 4,645.76
  4. Step 4: Simplify right side
    16,957.76x = 118,171,223.83
  5. Step 5: Solve for x
    x = 118,171,223.83/16,957.76
  6. Step 6: Final answer
    x = 6,968.56

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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.