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Finding the Fourth Proportional to 52,655.80, 79,014.90 and 19,399.24

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Solution

The fourth proportional to 52,655.80, 79,014.90 and 19,399.24 is: 29,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,655.80 : 79,014.90 = 19,399.24 : x
  2. Step 2: Convert to fraction form
    52,655.80/79,014.90 = 19,399.24/x
  3. Step 3: Cross multiply
    52,655.80x = 79,014.90 × 19,399.24
  4. Step 4: Simplify right side
    52,655.80x = 1,532,829,008.68
  5. Step 5: Solve for x
    x = 1,532,829,008.68/52,655.80
  6. Step 6: Final answer
    x = 29,110.35

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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.