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Finding the Fourth Proportional to 10,800.91, 16,200.03 and 2,904.03

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Solution

The fourth proportional to 10,800.91, 16,200.03 and 2,904.03 is: 4,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.91 : 16,200.03 = 2,904.03 : x
  2. Step 2: Convert to fraction form
    10,800.91/16,200.03 = 2,904.03/x
  3. Step 3: Cross multiply
    10,800.91x = 16,200.03 × 2,904.03
  4. Step 4: Simplify right side
    10,800.91x = 47,045,373.12
  5. Step 5: Solve for x
    x = 47,045,373.12/10,800.91
  6. Step 6: Final answer
    x = 4,355.69

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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.