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Finding the Fourth Proportional to 57,649.95, 79,544.84 and 35,000.87

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Solution

The fourth proportional to 57,649.95, 79,544.84 and 35,000.87 is: 48,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,649.95 : 79,544.84 = 35,000.87 : x
  2. Step 2: Convert to fraction form
    57,649.95/79,544.84 = 35,000.87/x
  3. Step 3: Cross multiply
    57,649.95x = 79,544.84 × 35,000.87
  4. Step 4: Simplify right side
    57,649.95x = 2,784,138,031.28
  5. Step 5: Solve for x
    x = 2,784,138,031.28/57,649.95
  6. Step 6: Final answer
    x = 48,293.85

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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.