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Finding the Fourth Proportional to 32,446.97, 48,661.03 and 12,455.05

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Solution

The fourth proportional to 32,446.97, 48,661.03 and 12,455.05 is: 18,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,446.97 : 48,661.03 = 12,455.05 : x
  2. Step 2: Convert to fraction form
    32,446.97/48,661.03 = 12,455.05/x
  3. Step 3: Cross multiply
    32,446.97x = 48,661.03 × 12,455.05
  4. Step 4: Simplify right side
    32,446.97x = 606,075,561.70
  5. Step 5: Solve for x
    x = 606,075,561.70/32,446.97
  6. Step 6: Final answer
    x = 18,678.96

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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.