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Finding the Fourth Proportional to 56,215.59, 84,323.39 and 16,800.39

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Solution

The fourth proportional to 56,215.59, 84,323.39 and 16,800.39 is: 25,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,215.59 : 84,323.39 = 16,800.39 : x
  2. Step 2: Convert to fraction form
    56,215.59/84,323.39 = 16,800.39/x
  3. Step 3: Cross multiply
    56,215.59x = 84,323.39 × 16,800.39
  4. Step 4: Simplify right side
    56,215.59x = 1,416,665,754.12
  5. Step 5: Solve for x
    x = 1,416,665,754.12/56,215.59
  6. Step 6: Final answer
    x = 25,200.59

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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.