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Finding the Fourth Proportional to 74,326.60, 111,504.30 and 37,390.60

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Solution

The fourth proportional to 74,326.60, 111,504.30 and 37,390.60 is: 56,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,326.60 : 111,504.30 = 37,390.60 : x
  2. Step 2: Convert to fraction form
    74,326.60/111,504.30 = 37,390.60/x
  3. Step 3: Cross multiply
    74,326.60x = 111,504.30 × 37,390.60
  4. Step 4: Simplify right side
    74,326.60x = 4,169,212,679.58
  5. Step 5: Solve for x
    x = 4,169,212,679.58/74,326.60
  6. Step 6: Final answer
    x = 56,093.14

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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.