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Finding the Fourth Proportional to 1,044.95, 1,555.11 and 1,006.07

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Solution

The fourth proportional to 1,044.95, 1,555.11 and 1,006.07 is: 1,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.95 : 1,555.11 = 1,006.07 : x
  2. Step 2: Convert to fraction form
    1,044.95/1,555.11 = 1,006.07/x
  3. Step 3: Cross multiply
    1,044.95x = 1,555.11 × 1,006.07
  4. Step 4: Simplify right side
    1,044.95x = 1,564,541.74
  5. Step 5: Solve for x
    x = 1,564,541.74/1,044.95
  6. Step 6: Final answer
    x = 1,497.25

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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.