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Finding the Fourth Proportional to 56,771.69, 85,155.91 and 17,323.07

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Solution

The fourth proportional to 56,771.69, 85,155.91 and 17,323.07 is: 25,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771.69 : 85,155.91 = 17,323.07 : x
  2. Step 2: Convert to fraction form
    56,771.69/85,155.91 = 17,323.07/x
  3. Step 3: Cross multiply
    56,771.69x = 85,155.91 × 17,323.07
  4. Step 4: Simplify right side
    56,771.69x = 1,475,161,789.84
  5. Step 5: Solve for x
    x = 1,475,161,789.84/56,771.69
  6. Step 6: Final answer
    x = 25,984.11

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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.