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Finding the Fourth Proportional to 27,277.92, 40,916.88 and 7,556.58

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Solution

The fourth proportional to 27,277.92, 40,916.88 and 7,556.58 is: 11,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.92 : 40,916.88 = 7,556.58 : x
  2. Step 2: Convert to fraction form
    27,277.92/40,916.88 = 7,556.58/x
  3. Step 3: Cross multiply
    27,277.92x = 40,916.88 × 7,556.58
  4. Step 4: Simplify right side
    27,277.92x = 309,191,677.07
  5. Step 5: Solve for x
    x = 309,191,677.07/27,277.92
  6. Step 6: Final answer
    x = 11,334.87

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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.