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Finding the Fourth Proportional to 25,600.68, 35,335.62 and 16,672.68

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Solution

The fourth proportional to 25,600.68, 35,335.62 and 16,672.68 is: 23,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.68 : 35,335.62 = 16,672.68 : x
  2. Step 2: Convert to fraction form
    25,600.68/35,335.62 = 16,672.68/x
  3. Step 3: Cross multiply
    25,600.68x = 35,335.62 × 16,672.68
  4. Step 4: Simplify right side
    25,600.68x = 589,139,484.86
  5. Step 5: Solve for x
    x = 589,139,484.86/25,600.68
  6. Step 6: Final answer
    x = 23,012.65

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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.