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Finding the Fourth Proportional to 27,028.74, 40,543.02 and 7,307.30

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Solution

The fourth proportional to 27,028.74, 40,543.02 and 7,307.30 is: 10,960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028.74 : 40,543.02 = 7,307.30 : x
  2. Step 2: Convert to fraction form
    27,028.74/40,543.02 = 7,307.30/x
  3. Step 3: Cross multiply
    27,028.74x = 40,543.02 × 7,307.30
  4. Step 4: Simplify right side
    27,028.74x = 296,259,883.35
  5. Step 5: Solve for x
    x = 296,259,883.35/27,028.74
  6. Step 6: Final answer
    x = 10,960.92

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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.