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Finding the Fourth Proportional to 29,806.78, 44,710.16 and 11,086.40

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Solution

The fourth proportional to 29,806.78, 44,710.16 and 11,086.40 is: 16,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,806.78 : 44,710.16 = 11,086.40 : x
  2. Step 2: Convert to fraction form
    29,806.78/44,710.16 = 11,086.40/x
  3. Step 3: Cross multiply
    29,806.78x = 44,710.16 × 11,086.40
  4. Step 4: Simplify right side
    29,806.78x = 495,674,717.82
  5. Step 5: Solve for x
    x = 495,674,717.82/29,806.78
  6. Step 6: Final answer
    x = 16,629.60

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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.