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Finding the Fourth Proportional to 12,595.80, 17,394.87 and 10,379.64

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Solution

The fourth proportional to 12,595.80, 17,394.87 and 10,379.64 is: 14,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.80 : 17,394.87 = 10,379.64 : x
  2. Step 2: Convert to fraction form
    12,595.80/17,394.87 = 10,379.64/x
  3. Step 3: Cross multiply
    12,595.80x = 17,394.87 × 10,379.64
  4. Step 4: Simplify right side
    12,595.80x = 180,552,488.45
  5. Step 5: Solve for x
    x = 180,552,488.45/12,595.80
  6. Step 6: Final answer
    x = 14,334.34

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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.