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Finding the Fourth Proportional to 41,477.59, 57,220.87 and 28,043.92

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Solution

The fourth proportional to 41,477.59, 57,220.87 and 28,043.92 is: 38,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,477.59 : 57,220.87 = 28,043.92 : x
  2. Step 2: Convert to fraction form
    41,477.59/57,220.87 = 28,043.92/x
  3. Step 3: Cross multiply
    41,477.59x = 57,220.87 × 28,043.92
  4. Step 4: Simplify right side
    41,477.59x = 1,604,697,074.29
  5. Step 5: Solve for x
    x = 1,604,697,074.29/41,477.59
  6. Step 6: Final answer
    x = 38,688.30

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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.