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Finding the Fourth Proportional to 15,661.65, 23,466.06 and 7,753.62

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Solution

The fourth proportional to 15,661.65, 23,466.06 and 7,753.62 is: 11,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.65 : 23,466.06 = 7,753.62 : x
  2. Step 2: Convert to fraction form
    15,661.65/23,466.06 = 7,753.62/x
  3. Step 3: Cross multiply
    15,661.65x = 23,466.06 × 7,753.62
  4. Step 4: Simplify right side
    15,661.65x = 181,946,912.14
  5. Step 5: Solve for x
    x = 181,946,912.14/15,661.65
  6. Step 6: Final answer
    x = 11,617.35

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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.