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Finding the Fourth Proportional to 32,621.48, 45,017.66 and 17,717.48

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Solution

The fourth proportional to 32,621.48, 45,017.66 and 17,717.48 is: 24,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,621.48 : 45,017.66 = 17,717.48 : x
  2. Step 2: Convert to fraction form
    32,621.48/45,017.66 = 17,717.48/x
  3. Step 3: Cross multiply
    32,621.48x = 45,017.66 × 17,717.48
  4. Step 4: Simplify right side
    32,621.48x = 797,599,490.70
  5. Step 5: Solve for x
    x = 797,599,490.70/32,621.48
  6. Step 6: Final answer
    x = 24,450.13

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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.