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Finding the Fourth Proportional to 25,403.49, 35,053.49 and 14,648.76

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Solution

The fourth proportional to 25,403.49, 35,053.49 and 14,648.76 is: 20,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.49 : 35,053.49 = 14,648.76 : x
  2. Step 2: Convert to fraction form
    25,403.49/35,053.49 = 14,648.76/x
  3. Step 3: Cross multiply
    25,403.49x = 35,053.49 × 14,648.76
  4. Step 4: Simplify right side
    25,403.49x = 513,490,198.79
  5. Step 5: Solve for x
    x = 513,490,198.79/25,403.49
  6. Step 6: Final answer
    x = 20,213.37

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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.