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Finding the Fourth Proportional to 25,673.40, 38,510.10 and 25,454.70

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Solution

The fourth proportional to 25,673.40, 38,510.10 and 25,454.70 is: 38,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.40 : 38,510.10 = 25,454.70 : x
  2. Step 2: Convert to fraction form
    25,673.40/38,510.10 = 25,454.70/x
  3. Step 3: Cross multiply
    25,673.40x = 38,510.10 × 25,454.70
  4. Step 4: Simplify right side
    25,673.40x = 980,263,042.47
  5. Step 5: Solve for x
    x = 980,263,042.47/25,673.40
  6. Step 6: Final answer
    x = 38,182.05

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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.