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Finding the Fourth Proportional to 40,807.26, 61,210.89 and 11,228.22

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Solution

The fourth proportional to 40,807.26, 61,210.89 and 11,228.22 is: 16,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,807.26 : 61,210.89 = 11,228.22 : x
  2. Step 2: Convert to fraction form
    40,807.26/61,210.89 = 11,228.22/x
  3. Step 3: Cross multiply
    40,807.26x = 61,210.89 × 11,228.22
  4. Step 4: Simplify right side
    40,807.26x = 687,289,339.32
  5. Step 5: Solve for x
    x = 687,289,339.32/40,807.26
  6. Step 6: Final answer
    x = 16,842.33

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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.