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Finding the Fourth Proportional to 29,461.77, 40,665.92 and 17,980.83

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Solution

The fourth proportional to 29,461.77, 40,665.92 and 17,980.83 is: 24,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,461.77 : 40,665.92 = 17,980.83 : x
  2. Step 2: Convert to fraction form
    29,461.77/40,665.92 = 17,980.83/x
  3. Step 3: Cross multiply
    29,461.77x = 40,665.92 × 17,980.83
  4. Step 4: Simplify right side
    29,461.77x = 731,206,904.41
  5. Step 5: Solve for x
    x = 731,206,904.41/29,461.77
  6. Step 6: Final answer
    x = 24,818.84

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Double scale
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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.