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Finding the Fourth Proportional to 18,802.17, 28,195.97 and 10,032.30

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Solution

The fourth proportional to 18,802.17, 28,195.97 and 10,032.30 is: 15,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.17 : 28,195.97 = 10,032.30 : x
  2. Step 2: Convert to fraction form
    18,802.17/28,195.97 = 10,032.30/x
  3. Step 3: Cross multiply
    18,802.17x = 28,195.97 × 10,032.30
  4. Step 4: Simplify right side
    18,802.17x = 282,870,541.84
  5. Step 5: Solve for x
    x = 282,870,541.84/18,802.17
  6. Step 6: Final answer
    x = 15,044.57

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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.