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Finding the Fourth Proportional to 84,879.55, 127,339.05 and 24,905.60

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Solution

The fourth proportional to 84,879.55, 127,339.05 and 24,905.60 is: 37,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,879.55 : 127,339.05 = 24,905.60 : x
  2. Step 2: Convert to fraction form
    84,879.55/127,339.05 = 24,905.60/x
  3. Step 3: Cross multiply
    84,879.55x = 127,339.05 × 24,905.60
  4. Step 4: Simplify right side
    84,879.55x = 3,171,455,762.03
  5. Step 5: Solve for x
    x = 3,171,455,762.03/84,879.55
  6. Step 6: Final answer
    x = 37,364.19

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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.