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Finding the Fourth Proportional to 19,593.58, 27,038.55 and 10,640.92

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Solution

The fourth proportional to 19,593.58, 27,038.55 and 10,640.92 is: 14,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.58 : 27,038.55 = 10,640.92 : x
  2. Step 2: Convert to fraction form
    19,593.58/27,038.55 = 10,640.92/x
  3. Step 3: Cross multiply
    19,593.58x = 27,038.55 × 10,640.92
  4. Step 4: Simplify right side
    19,593.58x = 287,715,047.47
  5. Step 5: Solve for x
    x = 287,715,047.47/19,593.58
  6. Step 6: Final answer
    x = 14,684.15

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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.