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Finding the Fourth Proportional to 1,607.99, 2,411.98 and 956.75

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Solution

The fourth proportional to 1,607.99, 2,411.98 and 956.75 is: 1,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.99 : 2,411.98 = 956.75 : x
  2. Step 2: Convert to fraction form
    1,607.99/2,411.98 = 956.75/x
  3. Step 3: Cross multiply
    1,607.99x = 2,411.98 × 956.75
  4. Step 4: Simplify right side
    1,607.99x = 2,307,647.41
  5. Step 5: Solve for x
    x = 2,307,647.41/1,607.99
  6. Step 6: Final answer
    x = 1,435.12

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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.