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Finding the Fourth Proportional to 13,095.60, 19,644.60 and 5,302.80

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Solution

The fourth proportional to 13,095.60, 19,644.60 and 5,302.80 is: 7,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.60 : 19,644.60 = 5,302.80 : x
  2. Step 2: Convert to fraction form
    13,095.60/19,644.60 = 5,302.80/x
  3. Step 3: Cross multiply
    13,095.60x = 19,644.60 × 5,302.80
  4. Step 4: Simplify right side
    13,095.60x = 104,171,384.88
  5. Step 5: Solve for x
    x = 104,171,384.88/13,095.60
  6. Step 6: Final answer
    x = 7,954.69

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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.