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Finding the Fourth Proportional to 32,319.50, 44,601.45 and 21,141.50

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Solution

The fourth proportional to 32,319.50, 44,601.45 and 21,141.50 is: 29,175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,319.50 : 44,601.45 = 21,141.50 : x
  2. Step 2: Convert to fraction form
    32,319.50/44,601.45 = 21,141.50/x
  3. Step 3: Cross multiply
    32,319.50x = 44,601.45 × 21,141.50
  4. Step 4: Simplify right side
    32,319.50x = 942,941,555.18
  5. Step 5: Solve for x
    x = 942,941,555.18/32,319.50
  6. Step 6: Final answer
    x = 29,175.62

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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.