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Finding the Fourth Proportional to 3,357.48, 5,037.76 and 1,509.08

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Solution

The fourth proportional to 3,357.48, 5,037.76 and 1,509.08 is: 2,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.48 : 5,037.76 = 1,509.08 : x
  2. Step 2: Convert to fraction form
    3,357.48/5,037.76 = 1,509.08/x
  3. Step 3: Cross multiply
    3,357.48x = 5,037.76 × 1,509.08
  4. Step 4: Simplify right side
    3,357.48x = 7,602,382.86
  5. Step 5: Solve for x
    x = 7,602,382.86/3,357.48
  6. Step 6: Final answer
    x = 2,264.31

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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.