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Finding the Fourth Proportional to 18,006, 24,848.28 and 10,931.10

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Solution

The fourth proportional to 18,006, 24,848.28 and 10,931.10 is: 15,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006 : 24,848.28 = 10,931.10 : x
  2. Step 2: Convert to fraction form
    18,006/24,848.28 = 10,931.10/x
  3. Step 3: Cross multiply
    18,006x = 24,848.28 × 10,931.10
  4. Step 4: Simplify right side
    18,006x = 271,619,033.51
  5. Step 5: Solve for x
    x = 271,619,033.51/18,006
  6. Step 6: Final answer
    x = 15,084.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.