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Finding the Fourth Proportional to 19,248.80, 26,532.24 and 16,656.80

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Solution

The fourth proportional to 19,248.80, 26,532.24 and 16,656.80 is: 22,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.80 : 26,532.24 = 16,656.80 : x
  2. Step 2: Convert to fraction form
    19,248.80/26,532.24 = 16,656.80/x
  3. Step 3: Cross multiply
    19,248.80x = 26,532.24 × 16,656.80
  4. Step 4: Simplify right side
    19,248.80x = 441,942,215.23
  5. Step 5: Solve for x
    x = 441,942,215.23/19,248.80
  6. Step 6: Final answer
    x = 22,959.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.