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Finding the Fourth Proportional to 30,059.71, 45,098.20 and 9,001.33

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Solution

The fourth proportional to 30,059.71, 45,098.20 and 9,001.33 is: 13,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,059.71 : 45,098.20 = 9,001.33 : x
  2. Step 2: Convert to fraction form
    30,059.71/45,098.20 = 9,001.33/x
  3. Step 3: Cross multiply
    30,059.71x = 45,098.20 × 9,001.33
  4. Step 4: Simplify right side
    30,059.71x = 405,943,780.61
  5. Step 5: Solve for x
    x = 405,943,780.61/30,059.71
  6. Step 6: Final answer
    x = 13,504.58

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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.