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Finding the Fourth Proportional to 12,258, 16,910.80 and 9,594.72

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Solution

The fourth proportional to 12,258, 16,910.80 and 9,594.72 is: 13,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258 : 16,910.80 = 9,594.72 : x
  2. Step 2: Convert to fraction form
    12,258/16,910.80 = 9,594.72/x
  3. Step 3: Cross multiply
    12,258x = 16,910.80 × 9,594.72
  4. Step 4: Simplify right side
    12,258x = 162,254,390.98
  5. Step 5: Solve for x
    x = 162,254,390.98/12,258
  6. Step 6: Final answer
    x = 13,236.61

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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.