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Finding the Fourth Proportional to 18,014.76, 27,007.02 and 6,335.64

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Solution

The fourth proportional to 18,014.76, 27,007.02 and 6,335.64 is: 9,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.76 : 27,007.02 = 6,335.64 : x
  2. Step 2: Convert to fraction form
    18,014.76/27,007.02 = 6,335.64/x
  3. Step 3: Cross multiply
    18,014.76x = 27,007.02 × 6,335.64
  4. Step 4: Simplify right side
    18,014.76x = 171,106,756.19
  5. Step 5: Solve for x
    x = 171,106,756.19/18,014.76
  6. Step 6: Final answer
    x = 9,498.14

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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.