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Finding the Fourth Proportional to 70,367.68, 105,552.24 and 17,777.24

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Solution

The fourth proportional to 70,367.68, 105,552.24 and 17,777.24 is: 26,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,367.68 : 105,552.24 = 17,777.24 : x
  2. Step 2: Convert to fraction form
    70,367.68/105,552.24 = 17,777.24/x
  3. Step 3: Cross multiply
    70,367.68x = 105,552.24 × 17,777.24
  4. Step 4: Simplify right side
    70,367.68x = 1,876,427,503.02
  5. Step 5: Solve for x
    x = 1,876,427,503.02/70,367.68
  6. Step 6: Final answer
    x = 26,666.04

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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.