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Finding the Fourth Proportional to 15,881.52, 23,836.56 and 8,492.30

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Solution

The fourth proportional to 15,881.52, 23,836.56 and 8,492.30 is: 12,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.52 : 23,836.56 = 8,492.30 : x
  2. Step 2: Convert to fraction form
    15,881.52/23,836.56 = 8,492.30/x
  3. Step 3: Cross multiply
    15,881.52x = 23,836.56 × 8,492.30
  4. Step 4: Simplify right side
    15,881.52x = 202,427,099.31
  5. Step 5: Solve for x
    x = 202,427,099.31/15,881.52
  6. Step 6: Final answer
    x = 12,746.08

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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.