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Finding the Fourth Proportional to 56,912.40, 85,368.60 and 27,323.10

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Solution

The fourth proportional to 56,912.40, 85,368.60 and 27,323.10 is: 40,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,912.40 : 85,368.60 = 27,323.10 : x
  2. Step 2: Convert to fraction form
    56,912.40/85,368.60 = 27,323.10/x
  3. Step 3: Cross multiply
    56,912.40x = 85,368.60 × 27,323.10
  4. Step 4: Simplify right side
    56,912.40x = 2,332,534,794.66
  5. Step 5: Solve for x
    x = 2,332,534,794.66/56,912.40
  6. Step 6: Final answer
    x = 40,984.65

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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.