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Finding the Fourth Proportional to 27,337.21, 40,856.02 and 19,957.21

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Solution

The fourth proportional to 27,337.21, 40,856.02 and 19,957.21 is: 29,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,337.21 : 40,856.02 = 19,957.21 : x
  2. Step 2: Convert to fraction form
    27,337.21/40,856.02 = 19,957.21/x
  3. Step 3: Cross multiply
    27,337.21x = 40,856.02 × 19,957.21
  4. Step 4: Simplify right side
    27,337.21x = 815,371,966.62
  5. Step 5: Solve for x
    x = 815,371,966.62/27,337.21
  6. Step 6: Final answer
    x = 29,826.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.