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Finding the Fourth Proportional to 3,133.74, 4,700.49 and 1,053.60

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Solution

The fourth proportional to 3,133.74, 4,700.49 and 1,053.60 is: 1,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.74 : 4,700.49 = 1,053.60 : x
  2. Step 2: Convert to fraction form
    3,133.74/4,700.49 = 1,053.60/x
  3. Step 3: Cross multiply
    3,133.74x = 4,700.49 × 1,053.60
  4. Step 4: Simplify right side
    3,133.74x = 4,952,436.26
  5. Step 5: Solve for x
    x = 4,952,436.26/3,133.74
  6. Step 6: Final answer
    x = 1,580.36

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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.