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Finding the Fourth Proportional to 12,355.59, 17,016.48 and 10,676.46

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Solution

The fourth proportional to 12,355.59, 17,016.48 and 10,676.46 is: 14,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.59 : 17,016.48 = 10,676.46 : x
  2. Step 2: Convert to fraction form
    12,355.59/17,016.48 = 10,676.46/x
  3. Step 3: Cross multiply
    12,355.59x = 17,016.48 × 10,676.46
  4. Step 4: Simplify right side
    12,355.59x = 181,675,768.06
  5. Step 5: Solve for x
    x = 181,675,768.06/12,355.59
  6. Step 6: Final answer
    x = 14,703.93

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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.