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Finding the Fourth Proportional to 58,068.84, 87,078.68 and 18,604.44

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Solution

The fourth proportional to 58,068.84, 87,078.68 and 18,604.44 is: 27,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,068.84 : 87,078.68 = 18,604.44 : x
  2. Step 2: Convert to fraction form
    58,068.84/87,078.68 = 18,604.44/x
  3. Step 3: Cross multiply
    58,068.84x = 87,078.68 × 18,604.44
  4. Step 4: Simplify right side
    58,068.84x = 1,620,050,077.34
  5. Step 5: Solve for x
    x = 1,620,050,077.34/58,068.84
  6. Step 6: Final answer
    x = 27,898.78

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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.