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Finding the Fourth Proportional to 16,803.54, 25,210.77 and 10,971.54

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Solution

The fourth proportional to 16,803.54, 25,210.77 and 10,971.54 is: 16,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.54 : 25,210.77 = 10,971.54 : x
  2. Step 2: Convert to fraction form
    16,803.54/25,210.77 = 10,971.54/x
  3. Step 3: Cross multiply
    16,803.54x = 25,210.77 × 10,971.54
  4. Step 4: Simplify right side
    16,803.54x = 276,600,971.49
  5. Step 5: Solve for x
    x = 276,600,971.49/16,803.54
  6. Step 6: Final answer
    x = 16,460.87

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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.