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Finding the Fourth Proportional to 70,963.84, 106,462.88 and 26,590.98

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Solution

The fourth proportional to 70,963.84, 106,462.88 and 26,590.98 is: 39,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,963.84 : 106,462.88 = 26,590.98 : x
  2. Step 2: Convert to fraction form
    70,963.84/106,462.88 = 26,590.98/x
  3. Step 3: Cross multiply
    70,963.84x = 106,462.88 × 26,590.98
  4. Step 4: Simplify right side
    70,963.84x = 2,830,952,678.82
  5. Step 5: Solve for x
    x = 2,830,952,678.82/70,963.84
  6. Step 6: Final answer
    x = 39,892.89

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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.