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Finding the Fourth Proportional to 1,495.16, 2,064.18 and 999.44

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Solution

The fourth proportional to 1,495.16, 2,064.18 and 999.44 is: 1,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.16 : 2,064.18 = 999.44 : x
  2. Step 2: Convert to fraction form
    1,495.16/2,064.18 = 999.44/x
  3. Step 3: Cross multiply
    1,495.16x = 2,064.18 × 999.44
  4. Step 4: Simplify right side
    1,495.16x = 2,063,013.74
  5. Step 5: Solve for x
    x = 2,063,013.74/1,495.16
  6. Step 6: Final answer
    x = 1,379.80

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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.