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Finding the Fourth Proportional to 74,644.50, 111,966.76 and 22,090.90

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Solution

The fourth proportional to 74,644.50, 111,966.76 and 22,090.90 is: 33,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,644.50 : 111,966.76 = 22,090.90 : x
  2. Step 2: Convert to fraction form
    74,644.50/111,966.76 = 22,090.90/x
  3. Step 3: Cross multiply
    74,644.50x = 111,966.76 × 22,090.90
  4. Step 4: Simplify right side
    74,644.50x = 2,473,446,498.48
  5. Step 5: Solve for x
    x = 2,473,446,498.48/74,644.50
  6. Step 6: Final answer
    x = 33,136.35

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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.