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Finding the Fourth Proportional to 1,700.40, 2,544.16 and 1,007.44

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Solution

The fourth proportional to 1,700.40, 2,544.16 and 1,007.44 is: 1,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.40 : 2,544.16 = 1,007.44 : x
  2. Step 2: Convert to fraction form
    1,700.40/2,544.16 = 1,007.44/x
  3. Step 3: Cross multiply
    1,700.40x = 2,544.16 × 1,007.44
  4. Step 4: Simplify right side
    1,700.40x = 2,563,088.55
  5. Step 5: Solve for x
    x = 2,563,088.55/1,700.40
  6. Step 6: Final answer
    x = 1,507.34

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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.