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Finding the Fourth Proportional to 19,234.10, 27,005.50 and 19,234.10

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Solution

The fourth proportional to 19,234.10, 27,005.50 and 19,234.10 is: 27,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234.10 : 27,005.50 = 19,234.10 : x
  2. Step 2: Convert to fraction form
    19,234.10/27,005.50 = 19,234.10/x
  3. Step 3: Cross multiply
    19,234.10x = 27,005.50 × 19,234.10
  4. Step 4: Simplify right side
    19,234.10x = 519,426,487.55
  5. Step 5: Solve for x
    x = 519,426,487.55/19,234.10
  6. Step 6: Final answer
    x = 27,005.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.