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Finding the Fourth Proportional to 15,908.63, 23,862.99 and 5,378.73

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Solution

The fourth proportional to 15,908.63, 23,862.99 and 5,378.73 is: 8,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.63 : 23,862.99 = 5,378.73 : x
  2. Step 2: Convert to fraction form
    15,908.63/23,862.99 = 5,378.73/x
  3. Step 3: Cross multiply
    15,908.63x = 23,862.99 × 5,378.73
  4. Step 4: Simplify right side
    15,908.63x = 128,352,580.20
  5. Step 5: Solve for x
    x = 128,352,580.20/15,908.63
  6. Step 6: Final answer
    x = 8,068.11

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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.