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Finding the Fourth Proportional to 18,806.04, 28,216.08 and 10,036.08

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Solution

The fourth proportional to 18,806.04, 28,216.08 and 10,036.08 is: 15,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.04 : 28,216.08 = 10,036.08 : x
  2. Step 2: Convert to fraction form
    18,806.04/28,216.08 = 10,036.08/x
  3. Step 3: Cross multiply
    18,806.04x = 28,216.08 × 10,036.08
  4. Step 4: Simplify right side
    18,806.04x = 283,178,836.17
  5. Step 5: Solve for x
    x = 283,178,836.17/18,806.04
  6. Step 6: Final answer
    x = 15,057.87

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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.