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Finding the Fourth Proportional to 2,985.44, 4,477.02 and 1,037.12

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Solution

The fourth proportional to 2,985.44, 4,477.02 and 1,037.12 is: 1,555.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.44 : 4,477.02 = 1,037.12 : x
  2. Step 2: Convert to fraction form
    2,985.44/4,477.02 = 1,037.12/x
  3. Step 3: Cross multiply
    2,985.44x = 4,477.02 × 1,037.12
  4. Step 4: Simplify right side
    2,985.44x = 4,643,206.98
  5. Step 5: Solve for x
    x = 4,643,206.98/2,985.44
  6. Step 6: Final answer
    x = 1,555.28

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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.