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Finding the Fourth Proportional to 34,920.84, 52,381.49 and 9,960.82

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Solution

The fourth proportional to 34,920.84, 52,381.49 and 9,960.82 is: 14,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,920.84 : 52,381.49 = 9,960.82 : x
  2. Step 2: Convert to fraction form
    34,920.84/52,381.49 = 9,960.82/x
  3. Step 3: Cross multiply
    34,920.84x = 52,381.49 × 9,960.82
  4. Step 4: Simplify right side
    34,920.84x = 521,762,593.22
  5. Step 5: Solve for x
    x = 521,762,593.22/34,920.84
  6. Step 6: Final answer
    x = 14,941.30

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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.