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Finding the Fourth Proportional to 25,854.69, 35,679.51 and 14,676.69

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Solution

The fourth proportional to 25,854.69, 35,679.51 and 14,676.69 is: 20,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,854.69 : 35,679.51 = 14,676.69 : x
  2. Step 2: Convert to fraction form
    25,854.69/35,679.51 = 14,676.69/x
  3. Step 3: Cross multiply
    25,854.69x = 35,679.51 × 14,676.69
  4. Step 4: Simplify right side
    25,854.69x = 523,657,034.24
  5. Step 5: Solve for x
    x = 523,657,034.24/25,854.69
  6. Step 6: Final answer
    x = 20,253.85

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Half scale
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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.