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Finding the Fourth Proportional to 74,498.44, 102,807.85 and 40,964.44

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Solution

The fourth proportional to 74,498.44, 102,807.85 and 40,964.44 is: 56,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,498.44 : 102,807.85 = 40,964.44 : x
  2. Step 2: Convert to fraction form
    74,498.44/102,807.85 = 40,964.44/x
  3. Step 3: Cross multiply
    74,498.44x = 102,807.85 × 40,964.44
  4. Step 4: Simplify right side
    74,498.44x = 4,211,465,541.01
  5. Step 5: Solve for x
    x = 4,211,465,541.01/74,498.44
  6. Step 6: Final answer
    x = 56,530.92

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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.