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Finding the Fourth Proportional to 1,326.49, 1,830.52 and 737.01

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Solution

The fourth proportional to 1,326.49, 1,830.52 and 737.01 is: 1,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.49 : 1,830.52 = 737.01 : x
  2. Step 2: Convert to fraction form
    1,326.49/1,830.52 = 737.01/x
  3. Step 3: Cross multiply
    1,326.49x = 1,830.52 × 737.01
  4. Step 4: Simplify right side
    1,326.49x = 1,349,111.55
  5. Step 5: Solve for x
    x = 1,349,111.55/1,326.49
  6. Step 6: Final answer
    x = 1,017.05

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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.