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Finding the Fourth Proportional to 75,528.60, 104,230.68 and 41,538.60

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Solution

The fourth proportional to 75,528.60, 104,230.68 and 41,538.60 is: 57,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,528.60 : 104,230.68 = 41,538.60 : x
  2. Step 2: Convert to fraction form
    75,528.60/104,230.68 = 41,538.60/x
  3. Step 3: Cross multiply
    75,528.60x = 104,230.68 × 41,538.60
  4. Step 4: Simplify right side
    75,528.60x = 4,329,596,524.25
  5. Step 5: Solve for x
    x = 4,329,596,524.25/75,528.60
  6. Step 6: Final answer
    x = 57,323.93

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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.