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Finding the Fourth Proportional to 52,604.70, 72,594.38 and 28,731.36

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Solution

The fourth proportional to 52,604.70, 72,594.38 and 28,731.36 is: 39,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,604.70 : 72,594.38 = 28,731.36 : x
  2. Step 2: Convert to fraction form
    52,604.70/72,594.38 = 28,731.36/x
  3. Step 3: Cross multiply
    52,604.70x = 72,594.38 × 28,731.36
  4. Step 4: Simplify right side
    52,604.70x = 2,085,735,265.76
  5. Step 5: Solve for x
    x = 2,085,735,265.76/52,604.70
  6. Step 6: Final answer
    x = 39,649.22

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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.