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Finding the Fourth Proportional to 15,653.66, 23,480.49 and 3,966.94

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Solution

The fourth proportional to 15,653.66, 23,480.49 and 3,966.94 is: 5,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653.66 : 23,480.49 = 3,966.94 : x
  2. Step 2: Convert to fraction form
    15,653.66/23,480.49 = 3,966.94/x
  3. Step 3: Cross multiply
    15,653.66x = 23,480.49 × 3,966.94
  4. Step 4: Simplify right side
    15,653.66x = 93,145,695.00
  5. Step 5: Solve for x
    x = 93,145,695.00/15,653.66
  6. Step 6: Final answer
    x = 5,950.41

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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.