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Finding the Fourth Proportional to 38,707.84, 53,362.83 and 25,963.30

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Solution

The fourth proportional to 38,707.84, 53,362.83 and 25,963.30 is: 35,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,707.84 : 53,362.83 = 25,963.30 : x
  2. Step 2: Convert to fraction form
    38,707.84/53,362.83 = 25,963.30/x
  3. Step 3: Cross multiply
    38,707.84x = 53,362.83 × 25,963.30
  4. Step 4: Simplify right side
    38,707.84x = 1,385,475,164.14
  5. Step 5: Solve for x
    x = 1,385,475,164.14/38,707.84
  6. Step 6: Final answer
    x = 35,793.14

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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.