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Finding the Fourth Proportional to 82,792.89, 114,036.54 and 63,636.03

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Solution

The fourth proportional to 82,792.89, 114,036.54 and 63,636.03 is: 87,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,792.89 : 114,036.54 = 63,636.03 : x
  2. Step 2: Convert to fraction form
    82,792.89/114,036.54 = 63,636.03/x
  3. Step 3: Cross multiply
    82,792.89x = 114,036.54 × 63,636.03
  4. Step 4: Simplify right side
    82,792.89x = 7,256,832,680.54
  5. Step 5: Solve for x
    x = 7,256,832,680.54/82,792.89
  6. Step 6: Final answer
    x = 87,650.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.