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Finding the Fourth Proportional to 18,630.48, 27,946.74 and 7,535.52

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Solution

The fourth proportional to 18,630.48, 27,946.74 and 7,535.52 is: 11,303.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.48 : 27,946.74 = 7,535.52 : x
  2. Step 2: Convert to fraction form
    18,630.48/27,946.74 = 7,535.52/x
  3. Step 3: Cross multiply
    18,630.48x = 27,946.74 × 7,535.52
  4. Step 4: Simplify right side
    18,630.48x = 210,593,218.20
  5. Step 5: Solve for x
    x = 210,593,218.20/18,630.48
  6. Step 6: Final answer
    x = 11,303.69

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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.