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Finding the Fourth Proportional to 52,312.86, 72,198.39 and 29,655.54

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Solution

The fourth proportional to 52,312.86, 72,198.39 and 29,655.54 is: 40,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,312.86 : 72,198.39 = 29,655.54 : x
  2. Step 2: Convert to fraction form
    52,312.86/72,198.39 = 29,655.54/x
  3. Step 3: Cross multiply
    52,312.86x = 72,198.39 × 29,655.54
  4. Step 4: Simplify right side
    52,312.86x = 2,141,082,242.58
  5. Step 5: Solve for x
    x = 2,141,082,242.58/52,312.86
  6. Step 6: Final answer
    x = 40,928.41

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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.