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Finding the Fourth Proportional to 1,607.99, 2,398.98 and 1,374.17

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Solution

The fourth proportional to 1,607.99, 2,398.98 and 1,374.17 is: 2,050.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.99 : 2,398.98 = 1,374.17 : x
  2. Step 2: Convert to fraction form
    1,607.99/2,398.98 = 1,374.17/x
  3. Step 3: Cross multiply
    1,607.99x = 2,398.98 × 1,374.17
  4. Step 4: Simplify right side
    1,607.99x = 3,296,599.50
  5. Step 5: Solve for x
    x = 3,296,599.50/1,607.99
  6. Step 6: Final answer
    x = 2,050.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.