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Finding the Fourth Proportional to 47,353.80, 70,998.30 and 22,405.80

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Solution

The fourth proportional to 47,353.80, 70,998.30 and 22,405.80 is: 33,593.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,353.80 : 70,998.30 = 22,405.80 : x
  2. Step 2: Convert to fraction form
    47,353.80/70,998.30 = 22,405.80/x
  3. Step 3: Cross multiply
    47,353.80x = 70,998.30 × 22,405.80
  4. Step 4: Simplify right side
    47,353.80x = 1,590,773,710.14
  5. Step 5: Solve for x
    x = 1,590,773,710.14/47,353.80
  6. Step 6: Final answer
    x = 33,593.37

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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.