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Finding the Fourth Proportional to 35,505.61, 53,240.19 and 11,804.60

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Solution

The fourth proportional to 35,505.61, 53,240.19 and 11,804.60 is: 17,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,505.61 : 53,240.19 = 11,804.60 : x
  2. Step 2: Convert to fraction form
    35,505.61/53,240.19 = 11,804.60/x
  3. Step 3: Cross multiply
    35,505.61x = 53,240.19 × 11,804.60
  4. Step 4: Simplify right side
    35,505.61x = 628,479,235.71
  5. Step 5: Solve for x
    x = 628,479,235.71/35,505.61
  6. Step 6: Final answer
    x = 17,700.84

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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.