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Finding the Fourth Proportional to 40,244.40, 60,415.20 and 39,952.80

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Solution

The fourth proportional to 40,244.40, 60,415.20 and 39,952.80 is: 59,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,244.40 : 60,415.20 = 39,952.80 : x
  2. Step 2: Convert to fraction form
    40,244.40/60,415.20 = 39,952.80/x
  3. Step 3: Cross multiply
    40,244.40x = 60,415.20 × 39,952.80
  4. Step 4: Simplify right side
    40,244.40x = 2,413,756,402.56
  5. Step 5: Solve for x
    x = 2,413,756,402.56/40,244.40
  6. Step 6: Final answer
    x = 59,977.45

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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.