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Finding the Fourth Proportional to 29,965.92, 44,948.84 and 28,119.12

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Solution

The fourth proportional to 29,965.92, 44,948.84 and 28,119.12 is: 42,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,965.92 : 44,948.84 = 28,119.12 : x
  2. Step 2: Convert to fraction form
    29,965.92/44,948.84 = 28,119.12/x
  3. Step 3: Cross multiply
    29,965.92x = 44,948.84 × 28,119.12
  4. Step 4: Simplify right side
    29,965.92x = 1,263,921,825.82
  5. Step 5: Solve for x
    x = 1,263,921,825.82/29,965.92
  6. Step 6: Final answer
    x = 42,178.64

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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.