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Finding the Fourth Proportional to 32,616.74, 45,005.02 and 19,190.59

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Solution

The fourth proportional to 32,616.74, 45,005.02 and 19,190.59 is: 26,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,616.74 : 45,005.02 = 19,190.59 : x
  2. Step 2: Convert to fraction form
    32,616.74/45,005.02 = 19,190.59/x
  3. Step 3: Cross multiply
    32,616.74x = 45,005.02 × 19,190.59
  4. Step 4: Simplify right side
    32,616.74x = 863,672,726.27
  5. Step 5: Solve for x
    x = 863,672,726.27/32,616.74
  6. Step 6: Final answer
    x = 26,479.43

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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.