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Finding the Fourth Proportional to 10,875.92, 16,313.88 and 3,083.72

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Solution

The fourth proportional to 10,875.92, 16,313.88 and 3,083.72 is: 4,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.92 : 16,313.88 = 3,083.72 : x
  2. Step 2: Convert to fraction form
    10,875.92/16,313.88 = 3,083.72/x
  3. Step 3: Cross multiply
    10,875.92x = 16,313.88 × 3,083.72
  4. Step 4: Simplify right side
    10,875.92x = 50,307,438.03
  5. Step 5: Solve for x
    x = 50,307,438.03/10,875.92
  6. Step 6: Final answer
    x = 4,625.58

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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.