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Finding the Fourth Proportional to 35,395.68, 48,845.88 and 19,479.72

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Solution

The fourth proportional to 35,395.68, 48,845.88 and 19,479.72 is: 26,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,395.68 : 48,845.88 = 19,479.72 : x
  2. Step 2: Convert to fraction form
    35,395.68/48,845.88 = 19,479.72/x
  3. Step 3: Cross multiply
    35,395.68x = 48,845.88 × 19,479.72
  4. Step 4: Simplify right side
    35,395.68x = 951,504,065.55
  5. Step 5: Solve for x
    x = 951,504,065.55/35,395.68
  6. Step 6: Final answer
    x = 26,881.93

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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.