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Finding the Fourth Proportional to 1,033.17, 1,544.08 and 756.11

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Solution

The fourth proportional to 1,033.17, 1,544.08 and 756.11 is: 1,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.17 : 1,544.08 = 756.11 : x
  2. Step 2: Convert to fraction form
    1,033.17/1,544.08 = 756.11/x
  3. Step 3: Cross multiply
    1,033.17x = 1,544.08 × 756.11
  4. Step 4: Simplify right side
    1,033.17x = 1,167,490.51
  5. Step 5: Solve for x
    x = 1,167,490.51/1,033.17
  6. Step 6: Final answer
    x = 1,130.00

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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.