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Finding the Fourth Proportional to 18,007.04, 27,014.88 and 6,913.82

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Solution

The fourth proportional to 18,007.04, 27,014.88 and 6,913.82 is: 10,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.04 : 27,014.88 = 6,913.82 : x
  2. Step 2: Convert to fraction form
    18,007.04/27,014.88 = 6,913.82/x
  3. Step 3: Cross multiply
    18,007.04x = 27,014.88 × 6,913.82
  4. Step 4: Simplify right side
    18,007.04x = 186,776,017.64
  5. Step 5: Solve for x
    x = 186,776,017.64/18,007.04
  6. Step 6: Final answer
    x = 10,372.39

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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.