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Finding the Fourth Proportional to 17,455.60, 26,171.88 and 7,056.88

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Solution

The fourth proportional to 17,455.60, 26,171.88 and 7,056.88 is: 10,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.60 : 26,171.88 = 7,056.88 : x
  2. Step 2: Convert to fraction form
    17,455.60/26,171.88 = 7,056.88/x
  3. Step 3: Cross multiply
    17,455.60x = 26,171.88 × 7,056.88
  4. Step 4: Simplify right side
    17,455.60x = 184,691,816.53
  5. Step 5: Solve for x
    x = 184,691,816.53/17,455.60
  6. Step 6: Final answer
    x = 10,580.66

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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.