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Finding the Fourth Proportional to 23,580.48, 32,541.92 and 12,970.92

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Solution

The fourth proportional to 23,580.48, 32,541.92 and 12,970.92 is: 17,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,580.48 : 32,541.92 = 12,970.92 : x
  2. Step 2: Convert to fraction form
    23,580.48/32,541.92 = 12,970.92/x
  3. Step 3: Cross multiply
    23,580.48x = 32,541.92 × 12,970.92
  4. Step 4: Simplify right side
    23,580.48x = 422,098,640.97
  5. Step 5: Solve for x
    x = 422,098,640.97/23,580.48
  6. Step 6: Final answer
    x = 17,900.34

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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.