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Finding the Fourth Proportional to 75,047.35, 112,597.40 and 46,935.49

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Solution

The fourth proportional to 75,047.35, 112,597.40 and 46,935.49 is: 70,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,047.35 : 112,597.40 = 46,935.49 : x
  2. Step 2: Convert to fraction form
    75,047.35/112,597.40 = 46,935.49/x
  3. Step 3: Cross multiply
    75,047.35x = 112,597.40 × 46,935.49
  4. Step 4: Simplify right side
    75,047.35x = 5,284,814,141.73
  5. Step 5: Solve for x
    x = 5,284,814,141.73/75,047.35
  6. Step 6: Final answer
    x = 70,419.73

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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.