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Finding the Fourth Proportional to 48,995.80, 73,580.10 and 37,929.40

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Solution

The fourth proportional to 48,995.80, 73,580.10 and 37,929.40 is: 56,960.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,995.80 : 73,580.10 = 37,929.40 : x
  2. Step 2: Convert to fraction form
    48,995.80/73,580.10 = 37,929.40/x
  3. Step 3: Cross multiply
    48,995.80x = 73,580.10 × 37,929.40
  4. Step 4: Simplify right side
    48,995.80x = 2,790,849,044.94
  5. Step 5: Solve for x
    x = 2,790,849,044.94/48,995.80
  6. Step 6: Final answer
    x = 56,960.99

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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.