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Finding the Fourth Proportional to 16,756.40, 25,127.40 and 6,892.40

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Solution

The fourth proportional to 16,756.40, 25,127.40 and 6,892.40 is: 10,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,756.40 : 25,127.40 = 6,892.40 : x
  2. Step 2: Convert to fraction form
    16,756.40/25,127.40 = 6,892.40/x
  3. Step 3: Cross multiply
    16,756.40x = 25,127.40 × 6,892.40
  4. Step 4: Simplify right side
    16,756.40x = 173,188,091.76
  5. Step 5: Solve for x
    x = 173,188,091.76/16,756.40
  6. Step 6: Final answer
    x = 10,335.64

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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.