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Finding the Fourth Proportional to 19,777.94, 29,663.13 and 5,926.94

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Solution

The fourth proportional to 19,777.94, 29,663.13 and 5,926.94 is: 8,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.94 : 29,663.13 = 5,926.94 : x
  2. Step 2: Convert to fraction form
    19,777.94/29,663.13 = 5,926.94/x
  3. Step 3: Cross multiply
    19,777.94x = 29,663.13 × 5,926.94
  4. Step 4: Simplify right side
    19,777.94x = 175,811,688.11
  5. Step 5: Solve for x
    x = 175,811,688.11/19,777.94
  6. Step 6: Final answer
    x = 8,889.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.