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Finding the Fourth Proportional to 15,600.60, 23,376.60 and 13,510.80

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Solution

The fourth proportional to 15,600.60, 23,376.60 and 13,510.80 is: 20,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.60 : 23,376.60 = 13,510.80 : x
  2. Step 2: Convert to fraction form
    15,600.60/23,376.60 = 13,510.80/x
  3. Step 3: Cross multiply
    15,600.60x = 23,376.60 × 13,510.80
  4. Step 4: Simplify right side
    15,600.60x = 315,836,567.28
  5. Step 5: Solve for x
    x = 315,836,567.28/15,600.60
  6. Step 6: Final answer
    x = 20,245.16

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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.