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Finding the Fourth Proportional to 19,607.68, 27,057.82 and 10,654.98

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Solution

The fourth proportional to 19,607.68, 27,057.82 and 10,654.98 is: 14,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.68 : 27,057.82 = 10,654.98 : x
  2. Step 2: Convert to fraction form
    19,607.68/27,057.82 = 10,654.98/x
  3. Step 3: Cross multiply
    19,607.68x = 27,057.82 × 10,654.98
  4. Step 4: Simplify right side
    19,607.68x = 288,300,530.94
  5. Step 5: Solve for x
    x = 288,300,530.94/19,607.68
  6. Step 6: Final answer
    x = 14,703.45

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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.