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Finding the Fourth Proportional to 52,425, 72,349.38 and 30,070.44

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Solution

The fourth proportional to 52,425, 72,349.38 and 30,070.44 is: 41,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,425 : 72,349.38 = 30,070.44 : x
  2. Step 2: Convert to fraction form
    52,425/72,349.38 = 30,070.44/x
  3. Step 3: Cross multiply
    52,425x = 72,349.38 × 30,070.44
  4. Step 4: Simplify right side
    52,425x = 2,175,577,690.33
  5. Step 5: Solve for x
    x = 2,175,577,690.33/52,425
  6. Step 6: Final answer
    x = 41,498.86

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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.