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Finding the Fourth Proportional to 28,894.70, 43,342.05 and 16,453.10

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Solution

The fourth proportional to 28,894.70, 43,342.05 and 16,453.10 is: 24,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.70 : 43,342.05 = 16,453.10 : x
  2. Step 2: Convert to fraction form
    28,894.70/43,342.05 = 16,453.10/x
  3. Step 3: Cross multiply
    28,894.70x = 43,342.05 × 16,453.10
  4. Step 4: Simplify right side
    28,894.70x = 713,111,082.86
  5. Step 5: Solve for x
    x = 713,111,082.86/28,894.70
  6. Step 6: Final answer
    x = 24,679.65

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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.