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Finding the Fourth Proportional to 37,734.80, 56,521.60 and 28,750.28

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Solution

The fourth proportional to 37,734.80, 56,521.60 and 28,750.28 is: 43,064.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,734.80 : 56,521.60 = 28,750.28 : x
  2. Step 2: Convert to fraction form
    37,734.80/56,521.60 = 28,750.28/x
  3. Step 3: Cross multiply
    37,734.80x = 56,521.60 × 28,750.28
  4. Step 4: Simplify right side
    37,734.80x = 1,625,011,471.56
  5. Step 5: Solve for x
    x = 1,625,011,471.56/37,734.80
  6. Step 6: Final answer
    x = 43,064.01

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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.