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Finding the Fourth Proportional to 56,382.56, 84,567.36 and 18,941.12

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Solution

The fourth proportional to 56,382.56, 84,567.36 and 18,941.12 is: 28,409.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,382.56 : 84,567.36 = 18,941.12 : x
  2. Step 2: Convert to fraction form
    56,382.56/84,567.36 = 18,941.12/x
  3. Step 3: Cross multiply
    56,382.56x = 84,567.36 × 18,941.12
  4. Step 4: Simplify right side
    56,382.56x = 1,601,800,513.84
  5. Step 5: Solve for x
    x = 1,601,800,513.84/56,382.56
  6. Step 6: Final answer
    x = 28,409.50

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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.