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Finding the Fourth Proportional to 24,663.96, 36,995.94 and 20,957.40

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Solution

The fourth proportional to 24,663.96, 36,995.94 and 20,957.40 is: 31,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,663.96 : 36,995.94 = 20,957.40 : x
  2. Step 2: Convert to fraction form
    24,663.96/36,995.94 = 20,957.40/x
  3. Step 3: Cross multiply
    24,663.96x = 36,995.94 × 20,957.40
  4. Step 4: Simplify right side
    24,663.96x = 775,338,712.96
  5. Step 5: Solve for x
    x = 775,338,712.96/24,663.96
  6. Step 6: Final answer
    x = 31,436.10

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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.