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Finding the Fourth Proportional to 1,045.01, 1,442.94 and 750.98

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Solution

The fourth proportional to 1,045.01, 1,442.94 and 750.98 is: 1,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.01 : 1,442.94 = 750.98 : x
  2. Step 2: Convert to fraction form
    1,045.01/1,442.94 = 750.98/x
  3. Step 3: Cross multiply
    1,045.01x = 1,442.94 × 750.98
  4. Step 4: Simplify right side
    1,045.01x = 1,083,619.08
  5. Step 5: Solve for x
    x = 1,083,619.08/1,045.01
  6. Step 6: Final answer
    x = 1,036.95

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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.