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Finding the Fourth Proportional to 74,674.60, 112,031.70 and 32,536.60

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Solution

The fourth proportional to 74,674.60, 112,031.70 and 32,536.60 is: 48,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,674.60 : 112,031.70 = 32,536.60 : x
  2. Step 2: Convert to fraction form
    74,674.60/112,031.70 = 32,536.60/x
  3. Step 3: Cross multiply
    74,674.60x = 112,031.70 × 32,536.60
  4. Step 4: Simplify right side
    74,674.60x = 3,645,130,610.22
  5. Step 5: Solve for x
    x = 3,645,130,610.22/74,674.60
  6. Step 6: Final answer
    x = 48,813.53

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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.