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Finding the Fourth Proportional to 25,961.80, 38,941.02 and 10,368.20

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Solution

The fourth proportional to 25,961.80, 38,941.02 and 10,368.20 is: 15,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,961.80 : 38,941.02 = 10,368.20 : x
  2. Step 2: Convert to fraction form
    25,961.80/38,941.02 = 10,368.20/x
  3. Step 3: Cross multiply
    25,961.80x = 38,941.02 × 10,368.20
  4. Step 4: Simplify right side
    25,961.80x = 403,748,283.56
  5. Step 5: Solve for x
    x = 403,748,283.56/25,961.80
  6. Step 6: Final answer
    x = 15,551.63

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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.