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Finding the Fourth Proportional to 30,044.71, 45,051.85 and 10,047.09

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Solution

The fourth proportional to 30,044.71, 45,051.85 and 10,047.09 is: 15,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,044.71 : 45,051.85 = 10,047.09 : x
  2. Step 2: Convert to fraction form
    30,044.71/45,051.85 = 10,047.09/x
  3. Step 3: Cross multiply
    30,044.71x = 45,051.85 × 10,047.09
  4. Step 4: Simplify right side
    30,044.71x = 452,639,991.62
  5. Step 5: Solve for x
    x = 452,639,991.62/30,044.71
  6. Step 6: Final answer
    x = 15,065.55

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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.