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Finding the Fourth Proportional to 27,126.10, 40,609.95 and 19,350.10

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Solution

The fourth proportional to 27,126.10, 40,609.95 and 19,350.10 is: 28,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.10 : 40,609.95 = 19,350.10 : x
  2. Step 2: Convert to fraction form
    27,126.10/40,609.95 = 19,350.10/x
  3. Step 3: Cross multiply
    27,126.10x = 40,609.95 × 19,350.10
  4. Step 4: Simplify right side
    27,126.10x = 785,806,593.50
  5. Step 5: Solve for x
    x = 785,806,593.50/27,126.10
  6. Step 6: Final answer
    x = 28,968.65

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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.