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Finding the Fourth Proportional to 71,285.76, 106,953.06 and 26,925.30

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Solution

The fourth proportional to 71,285.76, 106,953.06 and 26,925.30 is: 40,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,285.76 : 106,953.06 = 26,925.30 : x
  2. Step 2: Convert to fraction form
    71,285.76/106,953.06 = 26,925.30/x
  3. Step 3: Cross multiply
    71,285.76x = 106,953.06 × 26,925.30
  4. Step 4: Simplify right side
    71,285.76x = 2,879,743,226.42
  5. Step 5: Solve for x
    x = 2,879,743,226.42/71,285.76
  6. Step 6: Final answer
    x = 40,397.17

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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.