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Finding the Fourth Proportional to 27,495.92, 37,944.40 and 14,920.67

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Solution

The fourth proportional to 27,495.92, 37,944.40 and 14,920.67 is: 20,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,495.92 : 37,944.40 = 14,920.67 : x
  2. Step 2: Convert to fraction form
    27,495.92/37,944.40 = 14,920.67/x
  3. Step 3: Cross multiply
    27,495.92x = 37,944.40 × 14,920.67
  4. Step 4: Simplify right side
    27,495.92x = 566,155,870.75
  5. Step 5: Solve for x
    x = 566,155,870.75/27,495.92
  6. Step 6: Final answer
    x = 20,590.54

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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.