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Finding the Fourth Proportional to 12,154.68, 16,773.48 and 7,051.19

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Solution

The fourth proportional to 12,154.68, 16,773.48 and 7,051.19 is: 9,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.68 : 16,773.48 = 7,051.19 : x
  2. Step 2: Convert to fraction form
    12,154.68/16,773.48 = 7,051.19/x
  3. Step 3: Cross multiply
    12,154.68x = 16,773.48 × 7,051.19
  4. Step 4: Simplify right side
    12,154.68x = 118,272,910.57
  5. Step 5: Solve for x
    x = 118,272,910.57/12,154.68
  6. Step 6: Final answer
    x = 9,730.65

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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.