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Finding the Fourth Proportional to 35,878.73, 53,819.46 and 18,328.06

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Solution

The fourth proportional to 35,878.73, 53,819.46 and 18,328.06 is: 27,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,878.73 : 53,819.46 = 18,328.06 : x
  2. Step 2: Convert to fraction form
    35,878.73/53,819.46 = 18,328.06/x
  3. Step 3: Cross multiply
    35,878.73x = 53,819.46 × 18,328.06
  4. Step 4: Simplify right side
    35,878.73x = 986,406,292.05
  5. Step 5: Solve for x
    x = 986,406,292.05/35,878.73
  6. Step 6: Final answer
    x = 27,492.79

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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.