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Finding the Fourth Proportional to 52,659.70, 78,989.55 and 17,599.36

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Solution

The fourth proportional to 52,659.70, 78,989.55 and 17,599.36 is: 26,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,659.70 : 78,989.55 = 17,599.36 : x
  2. Step 2: Convert to fraction form
    52,659.70/78,989.55 = 17,599.36/x
  3. Step 3: Cross multiply
    52,659.70x = 78,989.55 × 17,599.36
  4. Step 4: Simplify right side
    52,659.70x = 1,390,165,329.21
  5. Step 5: Solve for x
    x = 1,390,165,329.21/52,659.70
  6. Step 6: Final answer
    x = 26,399.04

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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.