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Finding the Fourth Proportional to 27,011.25, 40,523.36 and 8,543.25

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Solution

The fourth proportional to 27,011.25, 40,523.36 and 8,543.25 is: 12,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,011.25 : 40,523.36 = 8,543.25 : x
  2. Step 2: Convert to fraction form
    27,011.25/40,523.36 = 8,543.25/x
  3. Step 3: Cross multiply
    27,011.25x = 40,523.36 × 8,543.25
  4. Step 4: Simplify right side
    27,011.25x = 346,201,152.60
  5. Step 5: Solve for x
    x = 346,201,152.60/27,011.25
  6. Step 6: Final answer
    x = 12,816.92

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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.