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Finding the Fourth Proportional to 19,607.95, 27,058.94 and 10,655.43

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Solution

The fourth proportional to 19,607.95, 27,058.94 and 10,655.43 is: 14,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.95 : 27,058.94 = 10,655.43 : x
  2. Step 2: Convert to fraction form
    19,607.95/27,058.94 = 10,655.43/x
  3. Step 3: Cross multiply
    19,607.95x = 27,058.94 × 10,655.43
  4. Step 4: Simplify right side
    19,607.95x = 288,324,738.40
  5. Step 5: Solve for x
    x = 288,324,738.40/19,607.95
  6. Step 6: Final answer
    x = 14,704.48

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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.