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Finding the Fourth Proportional to 30,525.60, 42,124.96 and 17,096.96

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Solution

The fourth proportional to 30,525.60, 42,124.96 and 17,096.96 is: 23,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,525.60 : 42,124.96 = 17,096.96 : x
  2. Step 2: Convert to fraction form
    30,525.60/42,124.96 = 17,096.96/x
  3. Step 3: Cross multiply
    30,525.60x = 42,124.96 × 17,096.96
  4. Step 4: Simplify right side
    30,525.60x = 720,208,756.12
  5. Step 5: Solve for x
    x = 720,208,756.12/30,525.60
  6. Step 6: Final answer
    x = 23,593.60

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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.