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Finding the Fourth Proportional to 27,214.79, 40,821.57 and 7,492.91

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Solution

The fourth proportional to 27,214.79, 40,821.57 and 7,492.91 is: 11,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,214.79 : 40,821.57 = 7,492.91 : x
  2. Step 2: Convert to fraction form
    27,214.79/40,821.57 = 7,492.91/x
  3. Step 3: Cross multiply
    27,214.79x = 40,821.57 × 7,492.91
  4. Step 4: Simplify right side
    27,214.79x = 305,872,145.96
  5. Step 5: Solve for x
    x = 305,872,145.96/27,214.79
  6. Step 6: Final answer
    x = 11,239.19

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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.