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Finding the Fourth Proportional to 15,869.60, 23,804.40 and 8,496.80

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Solution

The fourth proportional to 15,869.60, 23,804.40 and 8,496.80 is: 12,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,869.60 : 23,804.40 = 8,496.80 : x
  2. Step 2: Convert to fraction form
    15,869.60/23,804.40 = 8,496.80/x
  3. Step 3: Cross multiply
    15,869.60x = 23,804.40 × 8,496.80
  4. Step 4: Simplify right side
    15,869.60x = 202,261,225.92
  5. Step 5: Solve for x
    x = 202,261,225.92/15,869.60
  6. Step 6: Final answer
    x = 12,745.20

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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.