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Finding the Fourth Proportional to 28,599.80, 42,903.81 and 10,837.17

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Solution

The fourth proportional to 28,599.80, 42,903.81 and 10,837.17 is: 16,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.80 : 42,903.81 = 10,837.17 : x
  2. Step 2: Convert to fraction form
    28,599.80/42,903.81 = 10,837.17/x
  3. Step 3: Cross multiply
    28,599.80x = 42,903.81 × 10,837.17
  4. Step 4: Simplify right side
    28,599.80x = 464,955,882.62
  5. Step 5: Solve for x
    x = 464,955,882.62/28,599.80
  6. Step 6: Final answer
    x = 16,257.32

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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.