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Finding the Fourth Proportional to 35,644.59, 53,478.73 and 11,954.45

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Solution

The fourth proportional to 35,644.59, 53,478.73 and 11,954.45 is: 17,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,644.59 : 53,478.73 = 11,954.45 : x
  2. Step 2: Convert to fraction form
    35,644.59/53,478.73 = 11,954.45/x
  3. Step 3: Cross multiply
    35,644.59x = 53,478.73 × 11,954.45
  4. Step 4: Simplify right side
    35,644.59x = 639,308,952.49
  5. Step 5: Solve for x
    x = 639,308,952.49/35,644.59
  6. Step 6: Final answer
    x = 17,935.65

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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.