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Finding the Fourth Proportional to 58,069.84, 87,080.18 and 18,605.44

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Solution

The fourth proportional to 58,069.84, 87,080.18 and 18,605.44 is: 27,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,069.84 : 87,080.18 = 18,605.44 : x
  2. Step 2: Convert to fraction form
    58,069.84/87,080.18 = 18,605.44/x
  3. Step 3: Cross multiply
    58,069.84x = 87,080.18 × 18,605.44
  4. Step 4: Simplify right side
    58,069.84x = 1,620,165,064.18
  5. Step 5: Solve for x
    x = 1,620,165,064.18/58,069.84
  6. Step 6: Final answer
    x = 27,900.28

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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.