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Finding the Fourth Proportional to 75,094.60, 103,630.56 and 46,800.40

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Solution

The fourth proportional to 75,094.60, 103,630.56 and 46,800.40 is: 64,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,094.60 : 103,630.56 = 46,800.40 : x
  2. Step 2: Convert to fraction form
    75,094.60/103,630.56 = 46,800.40/x
  3. Step 3: Cross multiply
    75,094.60x = 103,630.56 × 46,800.40
  4. Step 4: Simplify right side
    75,094.60x = 4,849,951,660.22
  5. Step 5: Solve for x
    x = 4,849,951,660.22/75,094.60
  6. Step 6: Final answer
    x = 64,584.56

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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.