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Finding the Fourth Proportional to 19,607.20, 27,058.20 and 10,654.87

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Solution

The fourth proportional to 19,607.20, 27,058.20 and 10,654.87 is: 14,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.20 : 27,058.20 = 10,654.87 : x
  2. Step 2: Convert to fraction form
    19,607.20/27,058.20 = 10,654.87/x
  3. Step 3: Cross multiply
    19,607.20x = 27,058.20 × 10,654.87
  4. Step 4: Simplify right side
    19,607.20x = 288,301,603.43
  5. Step 5: Solve for x
    x = 288,301,603.43/19,607.20
  6. Step 6: Final answer
    x = 14,703.86

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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.