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Finding the Fourth Proportional to 11,925.16, 17,800.24 and 11,045.50

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Solution

The fourth proportional to 11,925.16, 17,800.24 and 11,045.50 is: 16,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.16 : 17,800.24 = 11,045.50 : x
  2. Step 2: Convert to fraction form
    11,925.16/17,800.24 = 11,045.50/x
  3. Step 3: Cross multiply
    11,925.16x = 17,800.24 × 11,045.50
  4. Step 4: Simplify right side
    11,925.16x = 196,612,550.92
  5. Step 5: Solve for x
    x = 196,612,550.92/11,925.16
  6. Step 6: Final answer
    x = 16,487.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.