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Finding the Fourth Proportional to 28,989.59, 43,484.67 and 9,267.71

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Solution

The fourth proportional to 28,989.59, 43,484.67 and 9,267.71 is: 13,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.59 : 43,484.67 = 9,267.71 : x
  2. Step 2: Convert to fraction form
    28,989.59/43,484.67 = 9,267.71/x
  3. Step 3: Cross multiply
    28,989.59x = 43,484.67 × 9,267.71
  4. Step 4: Simplify right side
    28,989.59x = 403,003,093.58
  5. Step 5: Solve for x
    x = 403,003,093.58/28,989.59
  6. Step 6: Final answer
    x = 13,901.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.