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Finding the Fourth Proportional to 48,801.74, 73,220.17 and 19,203.18

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Solution

The fourth proportional to 48,801.74, 73,220.17 and 19,203.18 is: 28,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,801.74 : 73,220.17 = 19,203.18 : x
  2. Step 2: Convert to fraction form
    48,801.74/73,220.17 = 19,203.18/x
  3. Step 3: Cross multiply
    48,801.74x = 73,220.17 × 19,203.18
  4. Step 4: Simplify right side
    48,801.74x = 1,406,060,104.14
  5. Step 5: Solve for x
    x = 1,406,060,104.14/48,801.74
  6. Step 6: Final answer
    x = 28,811.68

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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.