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Finding the Fourth Proportional to 18,432.76, 27,644.28 and 6,746.08

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Solution

The fourth proportional to 18,432.76, 27,644.28 and 6,746.08 is: 10,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.76 : 27,644.28 = 6,746.08 : x
  2. Step 2: Convert to fraction form
    18,432.76/27,644.28 = 6,746.08/x
  3. Step 3: Cross multiply
    18,432.76x = 27,644.28 × 6,746.08
  4. Step 4: Simplify right side
    18,432.76x = 186,490,524.42
  5. Step 5: Solve for x
    x = 186,490,524.42/18,432.76
  6. Step 6: Final answer
    x = 10,117.34

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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.