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Finding the Fourth Proportional to 27,203.20, 40,801.56 and 7,483.76

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Solution

The fourth proportional to 27,203.20, 40,801.56 and 7,483.76 is: 11,224.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,203.20 : 40,801.56 = 7,483.76 : x
  2. Step 2: Convert to fraction form
    27,203.20/40,801.56 = 7,483.76/x
  3. Step 3: Cross multiply
    27,203.20x = 40,801.56 × 7,483.76
  4. Step 4: Simplify right side
    27,203.20x = 305,349,082.67
  5. Step 5: Solve for x
    x = 305,349,082.67/27,203.20
  6. Step 6: Final answer
    x = 11,224.75

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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.