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Finding the Fourth Proportional to 56,533.80, 84,800.70 and 17,118.60

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Solution

The fourth proportional to 56,533.80, 84,800.70 and 17,118.60 is: 25,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,533.80 : 84,800.70 = 17,118.60 : x
  2. Step 2: Convert to fraction form
    56,533.80/84,800.70 = 17,118.60/x
  3. Step 3: Cross multiply
    56,533.80x = 84,800.70 × 17,118.60
  4. Step 4: Simplify right side
    56,533.80x = 1,451,669,263.02
  5. Step 5: Solve for x
    x = 1,451,669,263.02/56,533.80
  6. Step 6: Final answer
    x = 25,677.90

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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.