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Finding the Fourth Proportional to 20,051.80, 30,065.52 and 10,044.91

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Solution

The fourth proportional to 20,051.80, 30,065.52 and 10,044.91 is: 15,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.80 : 30,065.52 = 10,044.91 : x
  2. Step 2: Convert to fraction form
    20,051.80/30,065.52 = 10,044.91/x
  3. Step 3: Cross multiply
    20,051.80x = 30,065.52 × 10,044.91
  4. Step 4: Simplify right side
    20,051.80x = 302,005,348.51
  5. Step 5: Solve for x
    x = 302,005,348.51/20,051.80
  6. Step 6: Final answer
    x = 15,061.26

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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.