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Finding the Fourth Proportional to 38,963.04, 53,786.88 and 25,535.04

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Solution

The fourth proportional to 38,963.04, 53,786.88 and 25,535.04 is: 35,250.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,963.04 : 53,786.88 = 25,535.04 : x
  2. Step 2: Convert to fraction form
    38,963.04/53,786.88 = 25,535.04/x
  3. Step 3: Cross multiply
    38,963.04x = 53,786.88 × 25,535.04
  4. Step 4: Simplify right side
    38,963.04x = 1,373,450,132.28
  5. Step 5: Solve for x
    x = 1,373,450,132.28/38,963.04
  6. Step 6: Final answer
    x = 35,250.08

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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.