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Finding the Fourth Proportional to 25,963.47, 38,943.65 and 7,244.57

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Solution

The fourth proportional to 25,963.47, 38,943.65 and 7,244.57 is: 10,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,963.47 : 38,943.65 = 7,244.57 : x
  2. Step 2: Convert to fraction form
    25,963.47/38,943.65 = 7,244.57/x
  3. Step 3: Cross multiply
    25,963.47x = 38,943.65 × 7,244.57
  4. Step 4: Simplify right side
    25,963.47x = 282,130,113.95
  5. Step 5: Solve for x
    x = 282,130,113.95/25,963.47
  6. Step 6: Final answer
    x = 10,866.43

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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.