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Finding the Fourth Proportional to 19,411.92, 26,773.02 and 12,598.50

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Solution

The fourth proportional to 19,411.92, 26,773.02 and 12,598.50 is: 17,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.92 : 26,773.02 = 12,598.50 : x
  2. Step 2: Convert to fraction form
    19,411.92/26,773.02 = 12,598.50/x
  3. Step 3: Cross multiply
    19,411.92x = 26,773.02 × 12,598.50
  4. Step 4: Simplify right side
    19,411.92x = 337,299,892.47
  5. Step 5: Solve for x
    x = 337,299,892.47/19,411.92
  6. Step 6: Final answer
    x = 17,375.92

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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.