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Finding the Fourth Proportional to 35,841.60, 53,762.40 and 12,451.50

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Solution

The fourth proportional to 35,841.60, 53,762.40 and 12,451.50 is: 18,677.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,841.60 : 53,762.40 = 12,451.50 : x
  2. Step 2: Convert to fraction form
    35,841.60/53,762.40 = 12,451.50/x
  3. Step 3: Cross multiply
    35,841.60x = 53,762.40 × 12,451.50
  4. Step 4: Simplify right side
    35,841.60x = 669,422,523.60
  5. Step 5: Solve for x
    x = 669,422,523.60/35,841.60
  6. Step 6: Final answer
    x = 18,677.25

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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.