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Finding the Fourth Proportional to 32,420.97, 48,635.70 and 12,696.96

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Solution

The fourth proportional to 32,420.97, 48,635.70 and 12,696.96 is: 19,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.97 : 48,635.70 = 12,696.96 : x
  2. Step 2: Convert to fraction form
    32,420.97/48,635.70 = 12,696.96/x
  3. Step 3: Cross multiply
    32,420.97x = 48,635.70 × 12,696.96
  4. Step 4: Simplify right side
    32,420.97x = 617,525,767.47
  5. Step 5: Solve for x
    x = 617,525,767.47/32,420.97
  6. Step 6: Final answer
    x = 19,047.11

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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.