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Finding the Fourth Proportional to 15,884.52, 23,807.53 and 8,857.06

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Solution

The fourth proportional to 15,884.52, 23,807.53 and 8,857.06 is: 13,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,884.52 : 23,807.53 = 8,857.06 : x
  2. Step 2: Convert to fraction form
    15,884.52/23,807.53 = 8,857.06/x
  3. Step 3: Cross multiply
    15,884.52x = 23,807.53 × 8,857.06
  4. Step 4: Simplify right side
    15,884.52x = 210,864,673.21
  5. Step 5: Solve for x
    x = 210,864,673.21/15,884.52
  6. Step 6: Final answer
    x = 13,274.86

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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.