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Finding the Fourth Proportional to 39,366.56, 54,323.88 and 22,368.56

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Solution

The fourth proportional to 39,366.56, 54,323.88 and 22,368.56 is: 30,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366.56 : 54,323.88 = 22,368.56 : x
  2. Step 2: Convert to fraction form
    39,366.56/54,323.88 = 22,368.56/x
  3. Step 3: Cross multiply
    39,366.56x = 54,323.88 × 22,368.56
  4. Step 4: Simplify right side
    39,366.56x = 1,215,146,969.21
  5. Step 5: Solve for x
    x = 1,215,146,969.21/39,366.56
  6. Step 6: Final answer
    x = 30,867.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.