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Finding the Fourth Proportional to 35,373.26, 48,815.10 and 19,458.78

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Solution

The fourth proportional to 35,373.26, 48,815.10 and 19,458.78 is: 26,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.26 : 48,815.10 = 19,458.78 : x
  2. Step 2: Convert to fraction form
    35,373.26/48,815.10 = 19,458.78/x
  3. Step 3: Cross multiply
    35,373.26x = 48,815.10 × 19,458.78
  4. Step 4: Simplify right side
    35,373.26x = 949,882,291.58
  5. Step 5: Solve for x
    x = 949,882,291.58/35,373.26
  6. Step 6: Final answer
    x = 26,853.12

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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.