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Finding the Fourth Proportional to 1,737.78, 2,398.94 and 1,075.02

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Solution

The fourth proportional to 1,737.78, 2,398.94 and 1,075.02 is: 1,484.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.78 : 2,398.94 = 1,075.02 : x
  2. Step 2: Convert to fraction form
    1,737.78/2,398.94 = 1,075.02/x
  3. Step 3: Cross multiply
    1,737.78x = 2,398.94 × 1,075.02
  4. Step 4: Simplify right side
    1,737.78x = 2,578,908.48
  5. Step 5: Solve for x
    x = 2,578,908.48/1,737.78
  6. Step 6: Final answer
    x = 1,484.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.