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Finding the Fourth Proportional to 32,640.94, 48,960.60 and 10,454.23

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Solution

The fourth proportional to 32,640.94, 48,960.60 and 10,454.23 is: 15,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.94 : 48,960.60 = 10,454.23 : x
  2. Step 2: Convert to fraction form
    32,640.94/48,960.60 = 10,454.23/x
  3. Step 3: Cross multiply
    32,640.94x = 48,960.60 × 10,454.23
  4. Step 4: Simplify right side
    32,640.94x = 511,845,373.34
  5. Step 5: Solve for x
    x = 511,845,373.34/32,640.94
  6. Step 6: Final answer
    x = 15,681.09

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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.