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Finding the Fourth Proportional to 1,607.37, 2,407.94 and 1,057.90

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Solution

The fourth proportional to 1,607.37, 2,407.94 and 1,057.90 is: 1,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.37 : 2,407.94 = 1,057.90 : x
  2. Step 2: Convert to fraction form
    1,607.37/2,407.94 = 1,057.90/x
  3. Step 3: Cross multiply
    1,607.37x = 2,407.94 × 1,057.90
  4. Step 4: Simplify right side
    1,607.37x = 2,547,352.38
  5. Step 5: Solve for x
    x = 2,547,352.38/1,607.37
  6. Step 6: Final answer
    x = 1,584.80

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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.