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Finding the Fourth Proportional to 40,898.66, 61,340.83 and 10,913.27

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Solution

The fourth proportional to 40,898.66, 61,340.83 and 10,913.27 is: 16,367.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,898.66 : 61,340.83 = 10,913.27 : x
  2. Step 2: Convert to fraction form
    40,898.66/61,340.83 = 10,913.27/x
  3. Step 3: Cross multiply
    40,898.66x = 61,340.83 × 10,913.27
  4. Step 4: Simplify right side
    40,898.66x = 669,428,705.83
  5. Step 5: Solve for x
    x = 669,428,705.83/40,898.66
  6. Step 6: Final answer
    x = 16,367.99

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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.