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Finding the Fourth Proportional to 16,140.48, 24,211.20 and 6,900.48

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Solution

The fourth proportional to 16,140.48, 24,211.20 and 6,900.48 is: 10,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.48 : 24,211.20 = 6,900.48 : x
  2. Step 2: Convert to fraction form
    16,140.48/24,211.20 = 6,900.48/x
  3. Step 3: Cross multiply
    16,140.48x = 24,211.20 × 6,900.48
  4. Step 4: Simplify right side
    16,140.48x = 167,068,901.38
  5. Step 5: Solve for x
    x = 167,068,901.38/16,140.48
  6. Step 6: Final answer
    x = 10,350.93

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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.