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Finding the Fourth Proportional to 75,447.10, 113,059.88 and 37,955.64

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Solution

The fourth proportional to 75,447.10, 113,059.88 and 37,955.64 is: 56,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,447.10 : 113,059.88 = 37,955.64 : x
  2. Step 2: Convert to fraction form
    75,447.10/113,059.88 = 37,955.64/x
  3. Step 3: Cross multiply
    75,447.10x = 113,059.88 × 37,955.64
  4. Step 4: Simplify right side
    75,447.10x = 4,291,259,913.95
  5. Step 5: Solve for x
    x = 4,291,259,913.95/75,447.10
  6. Step 6: Final answer
    x = 56,877.73

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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.