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Finding the Fourth Proportional to 27,913.60, 41,805.60 and 27,265.60

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Solution

The fourth proportional to 27,913.60, 41,805.60 and 27,265.60 is: 40,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.60 : 41,805.60 = 27,265.60 : x
  2. Step 2: Convert to fraction form
    27,913.60/41,805.60 = 27,265.60/x
  3. Step 3: Cross multiply
    27,913.60x = 41,805.60 × 27,265.60
  4. Step 4: Simplify right side
    27,913.60x = 1,139,854,767.36
  5. Step 5: Solve for x
    x = 1,139,854,767.36/27,913.60
  6. Step 6: Final answer
    x = 40,835.10

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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.