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Finding the Fourth Proportional to 32,420.58, 48,601.71 and 11,639.22

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Solution

The fourth proportional to 32,420.58, 48,601.71 and 11,639.22 is: 17,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.58 : 48,601.71 = 11,639.22 : x
  2. Step 2: Convert to fraction form
    32,420.58/48,601.71 = 11,639.22/x
  3. Step 3: Cross multiply
    32,420.58x = 48,601.71 × 11,639.22
  4. Step 4: Simplify right side
    32,420.58x = 565,685,995.07
  5. Step 5: Solve for x
    x = 565,685,995.07/32,420.58
  6. Step 6: Final answer
    x = 17,448.36

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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.