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Finding the Fourth Proportional to 35,828, 49,443.48 and 19,913.12

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Solution

The fourth proportional to 35,828, 49,443.48 and 19,913.12 is: 27,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828 : 49,443.48 = 19,913.12 : x
  2. Step 2: Convert to fraction form
    35,828/49,443.48 = 19,913.12/x
  3. Step 3: Cross multiply
    35,828x = 49,443.48 × 19,913.12
  4. Step 4: Simplify right side
    35,828x = 984,573,950.46
  5. Step 5: Solve for x
    x = 984,573,950.46/35,828
  6. Step 6: Final answer
    x = 27,480.57

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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.