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Finding the Fourth Proportional to 13,537.38, 18,682.00 and 7,570.11

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Solution

The fourth proportional to 13,537.38, 18,682.00 and 7,570.11 is: 10,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.38 : 18,682.00 = 7,570.11 : x
  2. Step 2: Convert to fraction form
    13,537.38/18,682.00 = 7,570.11/x
  3. Step 3: Cross multiply
    13,537.38x = 18,682.00 × 7,570.11
  4. Step 4: Simplify right side
    13,537.38x = 141,424,776.09
  5. Step 5: Solve for x
    x = 141,424,776.09/13,537.38
  6. Step 6: Final answer
    x = 10,446.98

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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.