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Finding the Fourth Proportional to 12,068.65, 16,654.76 and 7,352.94

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Solution

The fourth proportional to 12,068.65, 16,654.76 and 7,352.94 is: 10,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.65 : 16,654.76 = 7,352.94 : x
  2. Step 2: Convert to fraction form
    12,068.65/16,654.76 = 7,352.94/x
  3. Step 3: Cross multiply
    12,068.65x = 16,654.76 × 7,352.94
  4. Step 4: Simplify right side
    12,068.65x = 122,461,450.99
  5. Step 5: Solve for x
    x = 122,461,450.99/12,068.65
  6. Step 6: Final answer
    x = 10,147.07

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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.