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Finding the Fourth Proportional to 62,980.84, 94,469.68 and 25,530.90

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Solution

The fourth proportional to 62,980.84, 94,469.68 and 25,530.90 is: 38,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,980.84 : 94,469.68 = 25,530.90 : x
  2. Step 2: Convert to fraction form
    62,980.84/94,469.68 = 25,530.90/x
  3. Step 3: Cross multiply
    62,980.84x = 94,469.68 × 25,530.90
  4. Step 4: Simplify right side
    62,980.84x = 2,411,895,953.11
  5. Step 5: Solve for x
    x = 2,411,895,953.11/62,980.84
  6. Step 6: Final answer
    x = 38,295.71

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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.