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Finding the Fourth Proportional to 16,772.52, 23,253.63 and 15,839.40

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Solution

The fourth proportional to 16,772.52, 23,253.63 and 15,839.40 is: 21,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.52 : 23,253.63 = 15,839.40 : x
  2. Step 2: Convert to fraction form
    16,772.52/23,253.63 = 15,839.40/x
  3. Step 3: Cross multiply
    16,772.52x = 23,253.63 × 15,839.40
  4. Step 4: Simplify right side
    16,772.52x = 368,323,547.02
  5. Step 5: Solve for x
    x = 368,323,547.02/16,772.52
  6. Step 6: Final answer
    x = 21,959.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.