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Finding the Fourth Proportional to 1,495.86, 2,065.32 and 907.44

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Solution

The fourth proportional to 1,495.86, 2,065.32 and 907.44 is: 1,252.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.86 : 2,065.32 = 907.44 : x
  2. Step 2: Convert to fraction form
    1,495.86/2,065.32 = 907.44/x
  3. Step 3: Cross multiply
    1,495.86x = 2,065.32 × 907.44
  4. Step 4: Simplify right side
    1,495.86x = 1,874,153.98
  5. Step 5: Solve for x
    x = 1,874,153.98/1,495.86
  6. Step 6: Final answer
    x = 1,252.89

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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.