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Finding the Fourth Proportional to 19,595.52, 27,042.02 and 10,643.20

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Solution

The fourth proportional to 19,595.52, 27,042.02 and 10,643.20 is: 14,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.52 : 27,042.02 = 10,643.20 : x
  2. Step 2: Convert to fraction form
    19,595.52/27,042.02 = 10,643.20/x
  3. Step 3: Cross multiply
    19,595.52x = 27,042.02 × 10,643.20
  4. Step 4: Simplify right side
    19,595.52x = 287,813,627.26
  5. Step 5: Solve for x
    x = 287,813,627.26/19,595.52
  6. Step 6: Final answer
    x = 14,687.73

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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.