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Finding the Fourth Proportional to 35,395.45, 53,076.81 and 13,202.89

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Solution

The fourth proportional to 35,395.45, 53,076.81 and 13,202.89 is: 19,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,395.45 : 53,076.81 = 13,202.89 : x
  2. Step 2: Convert to fraction form
    35,395.45/53,076.81 = 13,202.89/x
  3. Step 3: Cross multiply
    35,395.45x = 53,076.81 × 13,202.89
  4. Step 4: Simplify right side
    35,395.45x = 700,767,283.98
  5. Step 5: Solve for x
    x = 700,767,283.98/35,395.45
  6. Step 6: Final answer
    x = 19,798.23

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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.