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Finding the Fourth Proportional to 45,513, 62,768.68 and 29,591.64

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Solution

The fourth proportional to 45,513, 62,768.68 and 29,591.64 is: 40,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,513 : 62,768.68 = 29,591.64 : x
  2. Step 2: Convert to fraction form
    45,513/62,768.68 = 29,591.64/x
  3. Step 3: Cross multiply
    45,513x = 62,768.68 × 29,591.64
  4. Step 4: Simplify right side
    45,513x = 1,857,428,181.84
  5. Step 5: Solve for x
    x = 1,857,428,181.84/45,513
  6. Step 6: Final answer
    x = 40,810.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.